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

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

MinorNot disclosedUpdated 17h 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.
Status page

Final update

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

Timeline

  1. Resolved · Aug 19, 15:56 UTC
    We have confirmed that the fix has been effective and are marking this incident as resolved.
  2. 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.
  3. 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.
  4. 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

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