[{"data":1,"prerenderedAt":988},["ShallowReactive",2],{"\u002Fblog\u002Fbase44-app-rescue-2026\u002F":3,"\u002Fblog\u002Fbase44-app-rescue-2026\u002F-related":325,"\u002Fblog\u002Fbase44-app-rescue-2026\u002F-resources":971},{"id":4,"title":5,"author":6,"body":10,"category":247,"checker":248,"createdAt":249,"description":250,"disclosure":248,"extension":251,"faq":252,"heroActions":248,"howTo":248,"lastVerified":268,"location":269,"meta":270,"navigation":276,"ogImage":248,"path":277,"primaryKeyword":278,"readingTime":279,"related":280,"seo":283,"sources":284,"stem":315,"tags":316,"takeaways":317,"updatedAt":249,"url":323,"__hash__":324},"blog\u002Fblog\u002Fbase44-app-rescue-2026.md","Base44 App Rescue: 8 Problems to Fix Before Launch",{"name":7,"social":8},"Simon Dziak",{"twitter":9},"@SzymonDziak",{"type":11,"value":12,"toc":233},"minimark",[13,21,24,29,32,35,41,47,51,54,59,64,68,71,76,81,85,88,93,98,102,105,110,115,119,122,127,132,136,139,142,147,152,156,159,164,169,173,192,196],[14,15,16,20],"p",{},[17,18,19],"strong",{},"Problems with real Base44 apps often show up in the data rules: who can sign up, who can read or change each table, and which backend functions run without a sign-in check."," Base44 hosts your app and keeps its data in a database that Base44 runs for you, so there's no separate database to secure, but the rules on that data are yours to set. Base44's security guide says it directly: \"You are responsible for your app's security settings.\"",[14,22,23],{},"Below are the eight problems to check before launch, how to test each one, and how to fix it. The facts come from Base44's documentation and from Wiz's security research, and I re-read each source on October 20, 2026. Base44's docs pages aren't dated, so plan details may change; check the current page before you rely on a limit. The how-to-check and how-to-fix steps are my own advice.",[25,26,28],"h2",{"id":27},"_1-a-2025-flaw-in-how-private-apps-worked","1. A 2025 flaw in how private apps worked",[14,30,31],{},"In July 2025, Wiz Research reported a flaw in the Base44 platform: \"by providing only a non-secret app_id value to undocumented registration and email verification endpoints, an attacker could have created a verified account for private applications.\" Wiz says the fix came in less than 24 hours, with Wix \"confirming that there was no evidence of past abuse.\"",[14,33,34],{},"The lesson outlasts the bug. Wiz's write-up also noted that the \"Private with Beta authentication\" option at the time \"Still allows self-signup, effectively remaining public.\" That label is from 2025. Base44's current docs describe Private as invited people only, but it's still worth testing.",[14,36,37,40],{},[17,38,39],{},"How to check:"," read your app's access setting and the current Base44 description of it, then try to sign up from a private window with an email you haven't invited.",[14,42,43,46],{},[17,44,45],{},"How to fix:"," pick the strictest access option your app can live with, and set the data rules below as if anyone could sign in.",[25,48,50],{"id":49},"_2-public-apps-can-let-anyone-sign-up","2. \"Public\" apps can let anyone sign up",[14,52,53],{},"Base44's access guide is clear: \"If your app is set to Public, anyone can create an account from your register page and sign in.\" A Public app may not ask visitors to sign in at all. That is fine for a consumer app, but it means a rule like \"signed-in users can read all invoices\" lets any stranger read them after a ten-second sign-up.",[14,55,56,58],{},[17,57,39],{}," list every table and ask, for each one, whether a brand-new user who signed up a minute ago should see all of it.",[14,60,61,63],{},[17,62,45],{}," tie private records to the user who owns them, and keep shared business data limited to the roles that need it.",[25,65,67],{"id":66},"_3-all-users-data-rules","3. \"All Users\" data rules",[14,69,70],{},"Base44 warns that \"If permissions are not set up correctly, the wrong people could view or change data in your app.\" The widest option, \"All Users\", means \"Anyone can perform this action, even without signing in.\"",[14,72,73,75],{},[17,74,39],{}," open each table's permissions and look for All Users on read, update or delete. Then open your app in a private window, signed out, and try to load pages that show data.",[14,77,78,80],{},[17,79,45],{}," keep All Users only for content that is truly public, such as a product list. Use owner-only or role-based rules for everything else, and check update and delete separately from read.",[25,82,84],{"id":83},"_4-profile-fields-your-rules-depend-on","4. Profile fields your rules depend on",[14,86,87],{},"If your rules use a field on the user's profile, such as an organization or a role, check who can edit that field. Base44's security scan describes the risk: \"a user could change it to another organization's value and get that organization's access.\"",[14,89,90,92],{},[17,91,39],{}," as a normal user, try to edit your own profile's organization or role field, then see whether you can reach another organization's records.",[14,94,95,97],{},[17,96,45],{}," make access-deciding fields read-only for users and set them from an admin screen or a backend function. Base44's scan offers a Fix All option that locks these fields so only your app's editors can change them; retest sign-up and onboarding afterwards.",[25,99,101],{"id":100},"_5-backend-functions-anyone-can-run","5. Backend functions anyone can run",[14,103,104],{},"Backend functions handle payments, emails and admin actions. Base44's scan flags functions with no sign-in check with the label \"Anyone can run this function.\" The scan also tells you something important about publishing: \"It warns you, but it doesn't stop you from publishing.\"",[14,106,107,109],{},[17,108,39],{}," run the security scan and read every finding, then call each function while signed out.",[14,111,112,114],{},[17,113,45],{}," require sign-in and check the user's role inside each function. Base44 notes the fix can break a page shown to signed-out visitors, a webhook or an external integration, so retest webhooks such as Stripe's afterwards.",[25,116,118],{"id":117},"_6-live-data-in-preview-and-backups-only-on-some-plans","6. Live data in preview, and backups only on some plans",[14,120,121],{},"Base44's testing guide says \"Your published app always uses production data.\" Base44 offers a separate test database you can turn on in App settings. Until you do, I'd treat every dashboard edit as an edit to real records. Backups are limited: \"Backups are available on the Elite plan and on an Enterprise plan (Business or Enterprise). Elite keeps 7 days of backups.\"",[14,123,124,126],{},[17,125,39],{}," confirm which plan you're on and whether you have any backup or restore option, and check whether test data is set up before you try risky changes.",[14,128,129,131],{},[17,130,45],{}," export your tables before bulk edits or schema changes, use test data while building, and if your app holds data you can't lose, choose a plan with backups or keep your own regular export.",[25,133,135],{"id":134},"_7-code-github-and-version-history-limits","7. Code, GitHub and version history limits",[14,137,138],{},"On the Free plan, Base44 says \"you can view your app's code but not change it\", and \"GitHub 2 way sync requires the Builder plan or higher.\" Its GitHub guide adds that \"you cannot use Version History to revert to versions from before the GitHub integration.\"",[14,140,141],{},"On the Builder plan or higher you can download the app's source code as a zip, and you can export your table data. But the backend functions, data tables and sign-in run on Base44's hosted backend. You can host a frontend elsewhere that still talks to Base44, but moving the backend off Base44 would mean rebuilding it. That last part is my read of the docs.",[14,143,144,146],{},[17,145,39],{}," confirm your plan, whether GitHub is connected, and that you can download the source (a Builder plan feature) and export every table.",[14,148,149,151],{},[17,150,45],{}," connect GitHub early, before there's history you care about, and keep a recent export of both the code and the data.",[25,153,155],{"id":154},"_8-credits-that-run-out-or-expire","8. Credits that run out or expire",[14,157,158],{},"Many features in a Base44 app, such as AI calls, emails and image generation, use integration credits. Base44 says \"There is no way to preview an integration credit cost before running an action,\" and that \"any credits you have not used expire when they reset.\" A public app can spend credits every time a visitor triggers one of those features.",[14,160,161,163],{},[17,162,39],{}," list which features in your app use credits, look at your usage after a day of testing, and find out what your app does when credits run out.",[14,165,166,168],{},[17,167,45],{}," put credit-using features behind sign-in, limit how often each user can trigger them, and choose a plan with room for real traffic before launch.",[25,170,172],{"id":171},"what-to-do-this-week","What to do this week",[174,175,176,180,183,186,189],"ol",{},[177,178,179],"li",{},"Open the app signed out in a private window and see what loads.",[177,181,182],{},"Remove \"All Users\" from every table that isn't truly public.",[177,184,185],{},"Run the security scan and fix every finding, then retest webhooks.",[177,187,188],{},"Make access-deciding profile fields read-only for users.",[177,190,191],{},"Export your data and connect GitHub before launch day.",[25,193,195],{"id":194},"need-a-hand","Need a hand?",[14,197,198,199,204,205,209,210,209,214,209,218,222,223,227,228,232],{},"If you'd rather have someone else check it, the ",[200,201,203],"a",{"href":202},"\u002Ffixed-price\u002Fai-app-rescue\u002F","AI-Built App Rescue"," starts with a $450 Launch Check. You send read-only access, and within 3 business days you get each problem ranked by severity, with where it is and how it was confirmed, plus a fixed price for the Rescue Sprint. The $450 is credited if you go ahead, and you keep the code either way. Built with something else? See the ",[200,206,208],{"href":207},"\u002Fblog\u002Flovable-app-rescue-2026\u002F","Lovable",", ",[200,211,213],{"href":212},"\u002Fblog\u002Fbolt-app-rescue-2026\u002F","Bolt",[200,215,217],{"href":216},"\u002Fblog\u002Freplit-app-rescue-2026\u002F","Replit",[200,219,221],{"href":220},"\u002Fblog\u002Fcursor-app-rescue-2026\u002F","Cursor"," and ",[200,224,226],{"href":225},"\u002Fblog\u002Fv0-app-rescue-2026\u002F","v0"," checklists. Or ",[200,229,231],{"href":230},"\u002Fcontact\u002F","send me a short description",".",{"title":234,"searchDepth":235,"depth":235,"links":236},"",2,[237,238,239,240,241,242,243,244,245,246],{"id":27,"depth":235,"text":28},{"id":49,"depth":235,"text":50},{"id":66,"depth":235,"text":67},{"id":83,"depth":235,"text":84},{"id":100,"depth":235,"text":101},{"id":117,"depth":235,"text":118},{"id":134,"depth":235,"text":135},{"id":154,"depth":235,"text":155},{"id":171,"depth":235,"text":172},{"id":194,"depth":235,"text":195},"AI & Technology",null,"2026-10-20T15:00:00.000Z","Your Base44 app works in the editor, but real users are coming. The 8 problems to check first, from open sign-up and \"All Users\" data rules to backend functions anyone can run and backups, with how to test and fix each one.","md",[253,256,259,262,265],{"question":254,"answer":255},"Is Base44 secure?","The platform gives you permission rules and a security scan, but Base44 says you are responsible for your app's security settings. In July 2025 Wiz found a platform flaw that let outsiders register for private apps; Wix fixed it within 24 hours and reported no evidence of past abuse. Check your own data rules before launch.",{"question":257,"answer":258},"Who can sign up for my Base44 app?","If the app is set to Public, Base44 says anyone can create an account from your register page and sign in. Set your data rules on the assumption that strangers can be signed-in users.",{"question":260,"answer":261},"Does Base44 back up my data?","Base44 documents backups on the Elite plan and on Enterprise plans; Elite keeps 7 days. On other plans, export your tables before risky changes.",{"question":263,"answer":264},"Can I move my Base44 app somewhere else?","On the Builder plan or higher you can download the app's source code as a zip, and you can export your table data. The backend functions, data tables and sign-in run on Base44's hosted backend, so moving the backend off Base44 would mean rebuilding it.",{"question":266,"answer":267},"Does the free Supabase leak scan work for Base44 apps?","No. Base44's documentation describes a database that Base44 runs for your app, so a Supabase scan doesn't apply. Use Base44's permission rules, its security scan and the signed-out test on this page instead.","2026-10-20","Boynton Beach, FL",{"readingTimeStats":271},{"text":272,"minutes":273,"time":274,"words":275},"7 min read",6.515,390900,1303,true,"\u002Fblog\u002Fbase44-app-rescue-2026","base44 app rescue","8 min",[281,282],"lovable-app-rescue-2026","replit-app-rescue-2026",{"title":5,"description":250},[285,288,291,294,297,300,303,306,309,312],{"title":286,"url":287},"Wiz Research, Critical vulnerability in Base44 (July 29, 2025)","https:\u002F\u002Fwww.wiz.io\u002Fblog\u002Fcritical-vulnerability-base44",{"title":289,"url":290},"Base44 docs, Security overview","https:\u002F\u002Fdocs.base44.com\u002FSetting-up-your-app\u002Fsecurity-overview",{"title":292,"url":293},"Base44 docs, Managing access","https:\u002F\u002Fdocs.base44.com\u002FSetting-up-your-app\u002FManaging-access",{"title":295,"url":296},"Base44 docs, Managing security settings","https:\u002F\u002Fdocs.base44.com\u002FSetting-up-your-app\u002FManaging-security-settings",{"title":298,"url":299},"Base44 docs, Running a security scan","https:\u002F\u002Fdocs.base44.com\u002FSetting-up-your-app\u002Frunning-a-security-scan",{"title":301,"url":302},"Base44 docs, Testing your data","https:\u002F\u002Fdocs.base44.com\u002Fdocumentation\u002Fmanaging-app-data\u002Ftesting-your-data",{"title":304,"url":305},"Base44 docs, Backup and restore","https:\u002F\u002Fdocs.base44.com\u002FEnterprise\u002Fbackup-and-restore",{"title":307,"url":308},"Base44 docs, Developer tools","https:\u002F\u002Fdocs.base44.com\u002Fdocumentation\u002Fbuilding-your-app\u002Fdeveloper-tools",{"title":310,"url":311},"Base44 docs, GitHub integration","https:\u002F\u002Fdocs.base44.com\u002Fdevelopers\u002Fapp-code\u002Flocal-development\u002Fgithub",{"title":313,"url":314},"Base44 docs, Credits","https:\u002F\u002Fdocs.base44.com\u002FAccount-and-billing\u002FCredits","blog\u002Fbase44-app-rescue-2026","base44 app rescue, fix base44 app, base44 security, base44 permissions, base44 backend functions, ai app rescue, vibe coded app",[318,319,320,321,322],"Base44 says plainly: \"You are responsible for your app's security settings.\" Its tools help, but the data rules are yours to set.","If your app is set to Public, anyone can create an account and sign in, so \"signed in\" is not the same as \"trusted\".","The \"All Users\" rule means anyone can perform that action \"even without signing in\".","Base44's security scan warns about problems, but \"it doesn't stop you from publishing.\"","Your published app always uses production data, and Base44 documents backups only on its Elite and Enterprise plans.","https:\u002F\u002Fapp369.com\u002Fblog\u002Fbase44-app-rescue-2026\u002F","RgdDzSbuexCit8_HZirm_158OCz9QDWBhQ9JQjMR5_U",[326,677],{"id":327,"title":328,"author":329,"body":331,"category":247,"checker":605,"createdAt":606,"description":607,"disclosure":248,"extension":251,"faq":608,"heroActions":248,"howTo":248,"lastVerified":268,"location":269,"meta":624,"navigation":276,"ogImage":248,"path":629,"primaryKeyword":630,"readingTime":279,"related":631,"seo":634,"sources":635,"stem":667,"tags":668,"takeaways":669,"updatedAt":606,"url":675,"__hash__":676},"blog\u002Fblog\u002Flovable-app-rescue-2026.md","Lovable App Rescue: 7 Problems to Fix Before Launch",{"name":7,"social":330},{"twitter":9},{"type":11,"value":332,"toc":594},[333,339,342,346,354,370,375,384,388,391,396,401,405,412,426,431,435,442,455,460,464,467,472,489,493,496,499,514,519,523,526,547,550,555,557,574,576],[14,334,335,338],{},[17,336,337],{},"Problems with real Lovable apps often show up in the same few places: database access rules, keys in the browser, server functions that don't check the caller, and the gap between the preview and the live app."," A Lovable app is a React front end that talks to a Supabase database, either Lovable Cloud (which Lovable says uses \"Supabase's open-source foundation\") or a Supabase project you connect. The browser calls the database directly with a public key, so the database rules are what keep one user's data away from another.",[14,340,341],{},"Below are the seven problems to check before launch, how to test each one in a few minutes, and how to fix it. The facts below come from Lovable's and Supabase's own documentation and from the public security report on Lovable apps, and I re-read each source on October 20, 2026. The how-to-check and how-to-fix steps are my own advice.",[25,343,345],{"id":344},"_1-tables-anyone-can-read-or-change","1. Tables anyone can read or change",[14,347,348,349,353],{},"Lovable's Supabase guide is blunt: \"Missing RLS policies are the most common way app data gets exposed.\" A table in the public schema with row-level security (RLS) turned off, or with a policy like ",[350,351,352],"code",{},"USING (true)",", can be read, and often changed, by anyone who has your app's public key. That key ships in your site's JavaScript by design.",[14,355,356,357,363,364,369],{},"This is not a hypothetical. ",[200,358,362],{"href":359,"rel":360},"https:\u002F\u002Fnvd.nist.gov\u002Fvuln\u002Fdetail\u002FCVE-2025-48757",[361],"nofollow","CVE-2025-48757"," describes \"an insufficient database Row-Level Security policy in Lovable through 2025-04-15\" that, per the CVE text, allows unauthenticated attackers to read or write tables of generated sites. The entry is marked as disputed by Lovable, because each customer is responsible for protecting their own app's data. The researchers who filed it ",[200,365,368],{"href":366,"rel":367},"https:\u002F\u002Fmattpalmer.io\u002Fposts\u002Fstatement-on-CVE-2025-48757\u002F",[361],"report"," that their own March 2025 scan, which predates Lovable's current Quick and Deep scans, found 303 endpoints across 170 projects, about 10.3% of the 1,645 they analyzed, with inadequate RLS settings.",[14,371,372,374],{},[17,373,39],{}," open Supabase's Security Advisor and look for \"RLS disabled in public\" and \"policy exists, RLS disabled\". Then request each table with only the public key and no login. The free scan at the end of this page does that for you.",[14,376,377,379,380,383],{},[17,378,45],{}," turn on RLS for every table in the public schema and write policies that tie rows to ",[350,381,382],{},"auth.uid()",". Remove any policy that lets everyone in.",[25,385,387],{"id":386},"_2-a-green-scan-with-the-wrong-policies","2. A green scan with the wrong policies",[14,389,390],{},"Lovable's Quick scan \"runs automatically every time you publish\" and checks things like tables without RLS. A table can have a policy and still let the wrong people in. The CVE researchers said in 2025 that the scanner they tested only checked that a policy existed, \"not its correctness\". Lovable's current Quick scan reviews database access rules, for example tables without per-record access control, but it is still a fixed set of checks. Lovable itself says its tools \"cannot guarantee complete security\".",[14,392,393,395],{},[17,394,39],{}," Lovable's own best-practice guide says to \"sign in as a second user and confirm you cannot see or change the first user's data.\" Do that for every screen that shows private data, and repeat it for each role your app has.",[14,397,398,400],{},[17,399,45],{}," rewrite any policy that fails the two-user test, then test reads, inserts, updates and deletes separately. A policy that blocks reads can still allow writes.",[25,402,404],{"id":403},"_3-secret-keys-in-the-browser","3. Secret keys in the browser",[14,406,407,408,411],{},"Lovable's security docs explain that it \"generates frontend code that runs in the browser, which means API keys and other secrets cannot be stored safely in client-side code.\" Supabase says the same about its secret and ",[350,409,410],{},"service_role"," keys: never put one in a browser, a shipped app or source control. Stripe secret keys, AI provider keys and admin keys belong in the same category.",[14,413,414,416,417,209,419,209,422,425],{},[17,415,39],{}," search your GitHub repository and the built JavaScript for ",[350,418,410],{},[350,420,421],{},"sb_secret_",[350,423,424],{},"sk_live"," and your providers' key prefixes.",[14,427,428,430],{},[17,429,45],{}," rotate any secret that was ever exposed, then move the call into a server function that reads the key from Lovable's Secrets. Only the publishable or anon key belongs in the browser.",[25,432,434],{"id":433},"_4-server-functions-that-dont-check-who-is-calling","4. Server functions that don't check who is calling",[14,436,437,438,441],{},"Payments, emails, AI calls and admin actions usually run in Supabase Edge Functions that Lovable writes for you. A function that uses the service key skips RLS entirely, so it has to check the caller itself. Supabase's default is ",[350,439,440],{},"verify_jwt = true",", so \"the platform validates the JWT before your handler runs\", and it warns against turning that off just to clear an error.",[14,443,444,446,447,450,451,454],{},[17,445,39],{}," call each function with no token, then with a normal user's token for an action only an admin should take. Look for ",[350,448,449],{},"verify_jwt = false"," in ",[350,452,453],{},"supabase\u002Fconfig.toml",". Lovable's Deep scan reviews this kind of access control in your code, but \"the Deep scan does not run automatically\", so run it yourself.",[14,456,457,459],{},[17,458,45],{}," keep JWT verification on for anything a user triggers, check the user's role and ownership inside the function, and verify webhook signatures for calls from Stripe or other services.",[25,461,463],{"id":462},"_5-views-and-storage-that-skip-your-rules","5. Views and storage that skip your rules",[14,465,466],{},"Locking down a table is not enough if a view or a storage bucket exposes the same data. Supabase's advisor warns that a security definer view \"runs with elevated privileges and ignores Row-Level Security\". Files in a public storage bucket can be opened by anyone with the link.",[14,468,469,471],{},[17,470,39],{}," in the Security Advisor, look for \"security definer view\" and \"auth users exposed\". In Storage, list which buckets are public.",[14,473,474,476,477,480,481,484,485,488],{},[17,475,45],{}," recreate views with ",[350,478,479],{},"security_invoker = on",", copy the user fields you need into a ",[350,482,483],{},"profiles"," table instead of exposing ",[350,486,487],{},"auth.users",", and make buckets with private files private, with storage policies.",[25,490,492],{"id":491},"_6-the-supabase-october-30-2026-change","6. The Supabase October 30, 2026 change",[14,494,495],{},"Supabase has made \"no automatic grants\" the default for new projects since May 30, 2026, and applies it to all existing projects on October 30, 2026. Once it applies to your project, a new table in the public schema fails with \"permission denied for table\" until a migration grants it. Supabase also says \"existing tables are not affected\", so a table that is open today stays open.",[14,497,498],{},"If your Lovable app uses a Supabase project you own, the change applies. Lovable's docs don't say whether Lovable Cloud follows the same default or adds grants to the migrations it writes, so after October 30, create a test table and check it from the app.",[14,500,501,503,504,508,509,513],{},[17,502,39],{}," paste your migrations into the free ",[200,505,507],{"href":506},"\u002Ftools\u002Fsupabase-oct-30-checker\u002F","Supabase October 30 grants checker",". The ",[200,510,512],{"href":511},"\u002Fblog\u002Fsupabase-permission-denied-new-tables-october-30-2026\u002F","full guide to the change"," has the exact grant lines.",[14,515,516,518],{},[17,517,45],{}," add a grant per role in the same migration that creates each table, next to RLS and its policies.",[25,520,522],{"id":521},"_7-no-safe-path-between-the-preview-and-production","7. No safe path between the preview and production",[14,524,525],{},"Three facts from Lovable's docs catch teams out once real users arrive:",[527,528,529,535,541],"ul",{},[177,530,531,534],{},[17,532,533],{},"Reverting doesn't undo data changes."," Lovable's guide says \"reverting restores your code, not your database data\". A bad migration or a test that wrote to the live database stays in the database.",[177,536,537,540],{},[17,538,539],{},"The live site is a snapshot."," It only changes when you publish again, so the preview and the live app can drift apart.",[177,542,543,546],{},[17,544,545],{},"GitHub sync has limits."," \"Lovable only edits and syncs one branch at a time\", and \"Git sync always creates a new repository\", so you can't attach a project to an existing repository. Two people, or Lovable and a local editor, pushing to the same branch can overwrite each other's work.",[14,548,549],{},"Moving off Lovable Cloud is possible but manual, and removing Cloud \"permanently deletes your Cloud instance and cannot be undone\", so export your database and files first.",[14,551,552,554],{},[17,553,45],{}," export and test a database backup before launch, keep schema changes in migrations in the repository, agree who pushes to the synced branch, and run payments in test mode until the two-user test passes.",[25,556,172],{"id":171},[174,558,559,562,565,568,571],{},[177,560,561],{},"Run the free leak scan below against your live site.",[177,563,564],{},"Do the two-user test on every page with private data.",[177,566,567],{},"Search your repository for secret keys and rotate anything you find.",[177,569,570],{},"Run Lovable's Deep scan and read every finding.",[177,572,573],{},"Check your newest migrations for grants before October 30.",[25,575,195],{"id":194},[14,577,198,578,204,580,209,582,209,584,209,586,222,590,227,592,232],{},[200,579,203],{"href":202},[200,581,213],{"href":212},[200,583,217],{"href":216},[200,585,221],{"href":220},[200,587,589],{"href":588},"\u002Fblog\u002Fbase44-app-rescue-2026\u002F","Base44",[200,591,226],{"href":225},[200,593,231],{"href":230},{"title":234,"searchDepth":235,"depth":235,"links":595},[596,597,598,599,600,601,602,603,604],{"id":344,"depth":235,"text":345},{"id":386,"depth":235,"text":387},{"id":403,"depth":235,"text":404},{"id":433,"depth":235,"text":434},{"id":462,"depth":235,"text":463},{"id":491,"depth":235,"text":492},{"id":521,"depth":235,"text":522},{"id":171,"depth":235,"text":172},{"id":194,"depth":235,"text":195},"supabase-leak-scan","2026-10-20T09:00:00.000Z","Your Lovable app works in the preview but real users are coming. The 7 problems to check first, from open tables to edge functions and the Supabase October 30 change, with how to test and fix each one.",[609,612,615,618,621],{"question":610,"answer":611},"Is my Lovable app secure if the security scan passes?","Not necessarily. Lovable says its scans \"cannot guarantee complete security\", and the Quick scan that runs on publish does not review your app code. Run the Deep scan and test access yourself with two accounts and with no login.",{"question":613,"answer":614},"Why can other users see each other's data in my Lovable app?","Usually because a table has row-level security turned off, or a policy that lets everyone in, such as USING (true). The browser talks to the database with a public key, so the policies are the only thing deciding who sees which rows.",{"question":616,"answer":617},"Will the Supabase October 30, 2026 change break my Lovable app?","Existing tables keep working. Once the change applies to your project (new projects since May 30, 2026, all existing projects on October 30, 2026), new tables return \"permission denied\" until a migration grants them to the right roles. If your app uses a Supabase project you own, the change applies. Lovable's docs don't say how Lovable Cloud handles it, so test a new table after that date.",{"question":619,"answer":620},"Can I move my Lovable app off Lovable Cloud?","Yes, but it is manual. You export your data and files, connect your own Supabase project and rebuild the schema. Lovable says removing Cloud \"permanently deletes your Cloud instance and cannot be undone\", so export first.",{"question":622,"answer":623},"Do I keep my code if I hire someone to fix my Lovable app?","Yes. Lovable syncs your project to a GitHub repository you own, and a developer can work from that repository. Lovable only syncs one branch at a time, so agree on which branch Lovable edits before anyone else pushes to it.",{"readingTimeStats":625},{"text":272,"minutes":626,"time":627,"words":628},6.9,414000,1380,"\u002Fblog\u002Flovable-app-rescue-2026","lovable app rescue",[632,633],"supabase-permission-denied-new-tables-october-30-2026","firebase-security-guide-2026",{"title":328,"description":607},[636,639,642,645,648,651,653,655,658,661,664],{"title":637,"url":638},"Lovable docs, Security","https:\u002F\u002Fdocs.lovable.dev\u002Ffeatures\u002Fsecurity",{"title":640,"url":641},"Lovable docs, Supabase integration","https:\u002F\u002Fdocs.lovable.dev\u002Fintegrations\u002Fsupabase",{"title":643,"url":644},"Lovable docs, Lovable Cloud","https:\u002F\u002Fdocs.lovable.dev\u002Fintegrations\u002Fcloud",{"title":646,"url":647},"Lovable docs, GitHub integration","https:\u002F\u002Fdocs.lovable.dev\u002Fintegrations\u002Fgithub",{"title":649,"url":650},"Lovable docs, Best practices","https:\u002F\u002Fdocs.lovable.dev\u002Ftips-tricks\u002Fbest-practice",{"title":652,"url":359},"NVD, CVE-2025-48757",{"title":654,"url":366},"Matt Palmer, Statement on CVE-2025-48757",{"title":656,"url":657},"Supabase changelog, tables not exposed to the Data API automatically","https:\u002F\u002Fsupabase.com\u002Fchangelog\u002F45329-breaking-change-tables-not-exposed-to-data-and-graphql-api-automatically",{"title":659,"url":660},"Supabase docs, Database advisors","https:\u002F\u002Fsupabase.com\u002Fdocs\u002Fguides\u002Fdatabase\u002Fdatabase-advisors",{"title":662,"url":663},"Supabase docs, API keys","https:\u002F\u002Fsupabase.com\u002Fdocs\u002Fguides\u002Fapi\u002Fapi-keys",{"title":665,"url":666},"Supabase docs, Edge Functions auth","https:\u002F\u002Fsupabase.com\u002Fdocs\u002Fguides\u002Ffunctions\u002Fauth","blog\u002Flovable-app-rescue-2026","lovable app rescue, fix lovable app, lovable security, lovable supabase rls, lovable cloud, lovable production, ai app rescue, vibe coded app, supabase row level security",[670,671,672,673,674],"A Lovable app talks to its Supabase database straight from the browser with a public key, so row-level security (RLS) is what stops one user from reading everyone's data.","Lovable's own docs say \"Missing RLS policies are the most common way app data gets exposed,\" and that its scans \"cannot guarantee complete security.\"","The Quick scan runs every time you publish, but the Deep scan, which reviews your app code, does not run automatically.","Reverting in Lovable restores your code, not your database data, so test risky changes before real users depend on them.","Supabase now requires an explicit grant for new tables (in all existing projects from October 30, 2026), and existing tables keep theirs, so old leaks stay open.","https:\u002F\u002Fapp369.com\u002Fblog\u002Flovable-app-rescue-2026\u002F","KukPHur2EvLUOk0CH1xMOdwDUsEkE3PykZcqf7to-IU",{"id":678,"title":679,"author":680,"body":682,"category":247,"checker":248,"createdAt":895,"description":896,"disclosure":248,"extension":251,"faq":897,"heroActions":248,"howTo":248,"lastVerified":268,"location":269,"meta":913,"navigation":276,"ogImage":248,"path":919,"primaryKeyword":920,"readingTime":279,"related":921,"seo":923,"sources":924,"stem":961,"tags":962,"takeaways":963,"updatedAt":895,"url":969,"__hash__":970},"blog\u002Fblog\u002Freplit-app-rescue-2026.md","Replit App Rescue: 7 Problems to Fix Before Launch",{"name":7,"social":681},{"twitter":9},{"type":11,"value":683,"toc":884},[684,690,693,697,700,711,716,725,729,732,744,749,753,756,759,764,769,773,776,779,784,789,793,800,808,813,817,820,825,830,834,837,842,847,849,866,868],[14,685,686,689],{},[17,687,688],{},"Problems with real Replit apps often show up at the step from the workspace to the published app: secrets, files, the production database, and the deployment settings."," Replit's docs describe a published app as \"a running instance of your app on Replit's cloud infrastructure\", separate from the workspace where Replit Agent builds it. It has its own production database and its own settings, so something that works in the preview can still fail live.",[14,691,692],{},"Below are the seven problems to check before launch, how to test each one, and how to fix it. The facts come from Replit's documentation and Replit's own blog posts, and I re-read each source on October 20, 2026. The how-to-check and how-to-fix steps are my own advice.",[25,694,696],{"id":695},"_1-works-in-the-preview-fails-after-publishing","1. Works in the preview, fails after publishing",[14,698,699],{},"A frequent first surprise is configuration. Replit's troubleshooting guide says that \"Secrets you set in the Project Editor do not automatically carry over to your published app\", while its publishing overview says secrets \"sync automatically from your development environment to your published app when you publish or republish\". With the docs disagreeing, check the published app's secrets yourself rather than assuming either way.",[14,701,702,703,706,707,710],{},"The same guide lists a second cause: listening only on ",[350,704,705],{},"localhost"," or ",[350,708,709],{},"127.0.0.1"," \"does not work for published apps\".",[14,712,713,715],{},[17,714,39],{}," open the deployment logs, compare the published app's secrets with the workspace's, and open the live URL in a private window.",[14,717,718,720,721,724],{},[17,719,45],{}," set every secret for the published app, make the server listen on ",[350,722,723],{},"0.0.0.0",", and publish again.",[25,726,728],{"id":727},"_2-uploaded-files-that-disappear","2. Uploaded files that disappear",[14,730,731],{},"Replit's troubleshooting guide is direct: \"The file system in published apps is not persistent and resets every time you publish.\" An app that saves profile photos, PDFs, a SQLite file or a JSON \"database\" to its own folder works in the workspace and then loses that data on the next publish.",[14,733,734,736,737,222,740,743],{},[17,735,39],{}," search the code for file writes, ",[350,738,739],{},"sqlite",[350,741,742],{},"uploads"," folders. Upload a test file to the live app, publish again, and see whether it is still there.",[14,745,746,748],{},[17,747,45],{}," keep data in the database and files in Replit's App Storage. Replit's storage guide warns that \"any public route that returns stored files exposes them\", so only serve files to users your app has authorized.",[25,750,752],{"id":751},"_3-development-and-production-data-mixed-up","3. Development and production data mixed up",[14,754,755],{},"In July 2025 Replit wrote that \"Until now, Replit apps used a single database for both development and live customer data.\" Apps now get separate development and production databases, and Replit says the \"First deployment creates a production database with a fresh schema but no data.\" Replit says that when you re-deploy, the Agent checks for development database changes and asks whether to apply them to production, whether or not they are destructive.",[14,757,758],{},"That fixes one risk and creates two others: a first publish that shows an empty app, and a schema change, such as a renamed column, that reaches live data once you approve it.",[14,760,761,763],{},[17,762,39],{}," in the Database tool, switch to the production database and look at what is there. Find out whether your app was built before the split, because then it may still use one database for both.",[14,765,766,768],{},[17,767,45],{}," add new columns as optional before you make them required, avoid renames on tables with live data, load only safe starter data into production, and turn on production backups before launch.",[25,770,772],{"id":771},"_4-rollbacks-that-dont-bring-your-data-back","4. Rollbacks that don't bring your data back",[14,774,775],{},"Replit's checkpoint guide says \"By default, rollbacks do not change your database.\" Its data recovery guide adds: \"Restoring your database doesn't restore your app's code, and rolling back your app doesn't restore your database.\"",[14,777,778],{},"This is what went wrong in the incident Replit wrote about in July 2025, when, in Replit's words, \"the Agent deleted data from the app's database.\" Replit says the user was able to fully restore the database with the Rollback button, and that with separate databases \"the Agent cannot make any change to the production database during development.\"",[14,780,781,783],{},[17,782,39],{}," confirm your app uses separate databases, confirm production backups are on and how far back they go, and try one restore on a copy.",[14,785,786,788],{},[17,787,45],{}," turn on production backups, keep the Agent away from production data, and when something goes wrong, restore the database and roll back the code to the same moment before you publish again.",[25,790,792],{"id":791},"_5-secrets-in-the-code-or-the-repository","5. Secrets in the code or the repository",[14,794,795,796,799],{},"API keys pasted into code, the ",[350,797,798],{},".replit"," file or a pushed repository stay readable long after they are moved. Replit's security scanner is described as \"an early, lightweight check in the Agent workflow rather than a full codebase review\", so it can't be your only check.",[14,801,802,804,805,807],{},[17,803,39],{}," search the code, the ",[350,806,798],{}," file and the git history for key patterns, and list who has access to the project.",[14,809,810,812],{},[17,811,45],{}," rotate every key that was ever in the code, store keys only in Secrets, and remove collaborators who no longer need access.",[25,814,816],{"id":815},"_6-login-without-access-control","6. Login without access control",[14,818,819],{},"Replit's shared responsibility model is clear about who owns what in a published app. Logging in is yours to set up, and so is \"which users have access to which resources or parts of the app based on authorization.\" A working sign-in screen does not mean user A can't reach user B's records through the API.",[14,821,822,824],{},[17,823,39],{}," sign in as one user and request another user's records by changing the ID in the address or the request. Call your API routes with no session.",[14,826,827,829],{},[17,828,45],{}," check ownership on the server for every query, deny by default, set the right publish visibility, and turn on the setting that blocks publishing when the scan finds critical problems.",[25,831,833],{"id":832},"_7-the-wrong-deployment-type","7. The wrong deployment type",[14,835,836],{},"Replit offers several deployment types. Autoscale apps scale with traffic and can scale down when idle, while a Reserved VM is \"a dedicated virtual machine that never sleeps.\" A Discord bot, a background job or a long-running worker on the wrong type stops, crashes or fails its health check.",[14,838,839,841],{},[17,840,39],{}," read the publishing settings and logs, and match the type to the work: web requests, always-on work, scheduled jobs or static files.",[14,843,844,846],{},[17,845,45],{}," move always-on work to a type that stays on, keep the homepage light so health checks pass, and watch the usage page after launch.",[25,848,172],{"id":171},[174,850,851,854,857,860,863],{},[177,852,853],{},"Publish, then test sign-up, sign-in and payments on the live URL, not the preview.",[177,855,856],{},"Check that every secret is set for the published app.",[177,858,859],{},"Move uploads out of local files.",[177,861,862],{},"Turn on production database backups and practise one restore.",[177,864,865],{},"Do the two-account test on every page with private data.",[25,867,195],{"id":194},[14,869,198,870,204,872,209,874,209,876,209,878,222,880,227,882,232],{},[200,871,203],{"href":202},[200,873,208],{"href":207},[200,875,213],{"href":212},[200,877,221],{"href":220},[200,879,589],{"href":588},[200,881,226],{"href":225},[200,883,231],{"href":230},{"title":234,"searchDepth":235,"depth":235,"links":885},[886,887,888,889,890,891,892,893,894],{"id":695,"depth":235,"text":696},{"id":727,"depth":235,"text":728},{"id":751,"depth":235,"text":752},{"id":771,"depth":235,"text":772},{"id":791,"depth":235,"text":792},{"id":815,"depth":235,"text":816},{"id":832,"depth":235,"text":833},{"id":171,"depth":235,"text":172},{"id":194,"depth":235,"text":195},"2026-10-20T11:00:00.000Z","Your Replit app works in the workspace but breaks after you publish. The 7 problems to check first, from missing production secrets and disappearing uploads to database changes and rollbacks, with how to test and fix each one.",[898,901,904,907,910],{"question":899,"answer":900},"Why does my Replit app work in the workspace but not when published?","The published app runs separately, with its own production database and its own secrets. Check the deployment logs, confirm every secret is set for the published app, and make sure the server listens on 0.0.0.0, not localhost.",{"question":902,"answer":903},"Why do uploaded files disappear from my published Replit app?","Replit says the file system in published apps is not persistent and resets every time you publish. Store uploads in Replit's App Storage or another object store, and data in the database.",{"question":905,"answer":906},"Can Replit Agent delete my production data?","Replit says that with separate development and production databases, the Agent cannot make any change to the production database during development. Apps built before that split used one database for both, so check which setup yours has and turn on production backups.",{"question":908,"answer":909},"Does a Replit rollback restore my data?","Not by default. Replit says rollbacks do not change your database unless you choose to include the development database, and production data is restored separately through backups.",{"question":911,"answer":912},"Is my Replit app secure if the security scan passes?","Not necessarily. Replit describes the scan as an early, lightweight check rather than a full codebase review, and its shared responsibility model puts access control in published apps on you. Test with two accounts and with no login.",{"readingTimeStats":914},{"text":915,"minutes":916,"time":917,"words":918},"6 min read",5.775,346500,1155,"\u002Fblog\u002Freplit-app-rescue-2026","replit app rescue",[281,922],"bolt-app-rescue-2026",{"title":679,"description":896},[925,928,931,934,937,940,943,946,949,952,955,958],{"title":926,"url":927},"Replit docs, About deployments","https:\u002F\u002Fdocs.replit.com\u002Fcloud-services\u002Fdeployments\u002Fabout-deployments",{"title":929,"url":930},"Replit docs, Deployment troubleshooting","https:\u002F\u002Fdocs.replit.com\u002Fcloud-services\u002Fdeployments\u002Ftroubleshooting",{"title":932,"url":933},"Replit docs, Publishing overview","https:\u002F\u002Fdocs.replit.com\u002Ffeatures\u002Fpublishing\u002Foverview",{"title":935,"url":936},"Replit docs, Object Storage","https:\u002F\u002Fdocs.replit.com\u002Fcloud-services\u002Fstorage-and-databases\u002Fobject-storage",{"title":938,"url":939},"Replit docs, Development and production databases","https:\u002F\u002Fdocs.replit.com\u002Ffeatures\u002Fdata-and-storage\u002Fdevelopment-and-production",{"title":941,"url":942},"Replit docs, Data recovery","https:\u002F\u002Fdocs.replit.com\u002Ffeatures\u002Fdata-and-storage\u002Fdata-recovery",{"title":944,"url":945},"Replit docs, Checkpoints and rollbacks","https:\u002F\u002Fdocs.replit.com\u002Freplitai\u002Fcheckpoints-and-rollbacks",{"title":947,"url":948},"Replit docs, Security scanner","https:\u002F\u002Fdocs.replit.com\u002Freplit-workspace\u002Fworkspace-features\u002Fsecurity-scanner",{"title":950,"url":951},"Replit docs, Shared responsibility model","https:\u002F\u002Fdocs.replit.com\u002Ffeatures\u002Fsecurity\u002Fshared-responsibility-model",{"title":953,"url":954},"Replit docs, Reserved VM deployments","https:\u002F\u002Fdocs.replit.com\u002Fcloud-services\u002Fdeployments\u002Freserved-vm-deployments",{"title":956,"url":957},"Replit blog, Introducing a safer way to vibe code with Replit Databases (July 21, 2025)","https:\u002F\u002Freplit.com\u002Fblog\u002Fintroducing-a-safer-way-to-vibe-code-with-replit-databases",{"title":959,"url":960},"Replit blog, Doubling down on our commitment to secure vibe coding","https:\u002F\u002Freplit.com\u002Fblog\u002Fdoubling-down-on-our-commitment-to-secure-vibe-coding","blog\u002Freplit-app-rescue-2026","replit app rescue, fix replit app, replit agent, replit deployment, replit production database, replit secrets, ai app rescue, vibe coded app",[964,965,966,967,968],"A published Replit app is a separate running copy of your app, with its own secrets and its own production database, so \"works in the workspace\" doesn't mean \"works when published\".","Replit's docs say the file system in published apps \"is not persistent and resets every time you publish\", so uploads saved to local files disappear.","Replit says rolling back your app \"doesn't restore your database\", and restoring the database doesn't restore your code. You have to bring both back to the same moment.","Replit's security scan is \"an early, lightweight check\", not a full code review. Deciding which users can reach which data is your job.","Background jobs and bots need a deployment type that stays on. Autoscale apps can scale down when idle.","https:\u002F\u002Fapp369.com\u002Fblog\u002Freplit-app-rescue-2026\u002F","XxwnQj_Uc0U9HF8-OJLUeb1arNY9nst59gFd3-d5m6g",[972,974,978,979,983,987],{"keyword":5,"url":323,"title":5,"relevance":973},60,{"keyword":975,"url":976,"title":975,"relevance":977},"Bolt App Rescue: 8 Problems to Fix Before Launch","https:\u002F\u002Fapp369.com\u002Fblog\u002Fbolt-app-rescue-2026\u002F",26,{"keyword":328,"url":675,"title":328,"relevance":977},{"keyword":980,"url":981,"title":980,"relevance":982},"Cursor App Rescue: 7 Problems to Fix Before Launch","https:\u002F\u002Fapp369.com\u002Fblog\u002Fcursor-app-rescue-2026\u002F",25,{"keyword":984,"url":985,"title":984,"relevance":986},"v0 App Rescue: 8 Problems to Fix Before Launch","https:\u002F\u002Fapp369.com\u002Fblog\u002Fv0-app-rescue-2026\u002F",24,{"keyword":679,"url":969,"title":679,"relevance":986},1792492263560]