Supabase · Data and observabilityAug 19, 2026, 12:47 UTC

Sign-in failures for `signInWithIdToken` (OIDC) logins on free-tier projects

MinorNot disclosedUpdated 47d ago

Aug 19, 12:47 UTCAug 19, 15:56 UTC

Duration

3h 9m

Impact

Minor

Root cause

Not disclosed

Supabase, 90 days

56 incidents

Affected

Not listed by the vendor.

Final update

We have confirmed that the fix has been effective and are marking this incident as resolved.

Resolved · Aug 19, 15:56 UTC
We have confirmed that the fix has been effective and are marking this incident as resolved.
Monitoring · Aug 19, 13:01 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.
Monitoring · Aug 19, 12:48 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, 12:47 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