Supabase Auth errorSupabase Auth: reauthentication_needed

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Why Supabase asks again, and the fix

1. 01

   The session is older than 24 hours

   “A user is deemed recently signed in if the session was created in the last 24 hours.” Supabase docs, JavaScript reference: reauthenticate

   Apps that keep users signed in across days hit this code on the change-password screen. Catch it and start the code step instead of showing a generic error.

   const { error } = await supabase.auth.updateUser({ password: newPassword });
   if (error?.code === 'reauthentication_needed') {
     await supabase.auth.reauthenticate();
     const nonce = await askUserForCode();
     await supabase.auth.updateUser({ password: newPassword, nonce });
   }

2. 02

   The code is not passed back

   “After receiving the OTP, include it as the nonce in your updateUser() call to finalize the password change.” Supabase docs, JavaScript reference: reauthenticate

   reauthenticate only sends the code. The password change finishes only when the same code goes into updateUser as nonce.

3. 03

   The code was mistyped

   “Verifying a reauthentication failed, the code is incorrect.” Supabase docs, Auth error codes (reauthentication_not_valid)

   A wrong code returns reauthentication_not_valid, a different code. Let the user ask for a new code and try again.

4. 04

   The setting changed between projects

   Also check: Secure password change is a per-project Auth setting. A staging project without it accepts the change, and production with it on returns this code.

Checked against the vendor’s docs on November 9, 2026: Supabase docs: Auth error codes; Supabase docs: JavaScript reference, reauthenticate; Supabase Auth source: user.go (password update).

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