Outage in Supabase

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

Resolved Minor

August 19, 2026 - Started 3 days ago - Lasted about 3 hours
Official incident page

Incident Report

Summary AI Generated

Supabase free-tier projects experienced sign-in failures for `signInWithIdToken` OIDC logins when using providers other than Google, Apple, or Firebase, from August 18th at 4pm UTC to August 19th at 10:30am UTC. The root cause was identified and a fix was deployed, with full resolution confirmed by August 19th at 3:56pm 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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Latest Updates ( sorted recent to last )

RESOLVED 3 days ago - at 08/19/2026 03:56PM

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

MONITORING 3 days ago - at 08/19/2026 01:01PM

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 3 days ago - at 08/19/2026 12:48PM

MONITORING 3 days ago - at 08/19/2026 12:47PM

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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