Supabase incident
Sign-in failures for `signInWithIdToken` (OIDC) logins on free-tier projects
Resolved after 3 hours 9 minutes, on August 19, 2026.
We have confirmed that the fix has been effective and are marking this incident as resolved.
Update timeline
- monitoring Aug 19, 2026, 12:47 PM UTC
We've identified an issue causing sign-in failures for `signInWithIdToken` (OIDC) logins on free-tier projects. Users authenticating with non-Google/Apple/Firebase OIDC providers may see failed login attempts. We've identified the root cause and fix has been rolled out. Impacted timeframe was 18th August 4pm UTC - 19th Aug 10:30am UTC
- monitoring Aug 19, 2026, 12:48 PM UTC
We've identified that starting 4pm UTC on August 18th we began seeing sign-in failures with signInWithIdToken (OIDC) logins on free-tier projects. Users authenticating with OIDC providers other than Google/Apple/Firebase may have seen failed login attempts. We've identified the root cause and fix has been rolled out.
- monitoring Aug 19, 2026, 01:01 PM UTC
We've identified that starting 4pm UTC on August 18th we began seeing sign-in failures with signInWithIdToken (OIDC) logins on free-tier projects. Users authenticating with OIDC providers other than Google/Apple/Firebase may have seen failed login attempts. We've identified the root cause and fix has been rolled out. We are monitoring for continued stability.
- resolved Aug 19, 2026, 03:56 PM UTC
We have confirmed that the fix has been effective and are marking this incident as resolved.
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