# Supabase: Major incident: Authentication issues for some projects

**Summary:** Some Supabase projects experienced authentication issues in a major-impact incident starting 2026-07-25 14:11 UTC and lasting 34 min, resolved at 2026-07-25 14:45 UTC. Supabase implemented a fix at 07-25 14:21 UTC and reported authentication had returned to normal at 07-25 14:25 UTC. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2026-07-25 14:11 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://status.supabase.com/incidents/01KYCSV0ZJTBZGKW99GP7HR93E](https://status.supabase.com/incidents/01KYCSV0ZJTBZGKW99GP7HR93E)
- [Company: Supabase](https://rewindex.com/company/supabase.md)
- Versions: before (none: first archived) → after incident\_version:167/01KYCSV0ZJTBZGKW99GP7HR93E@e8322d3015a9
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Authentication issues for some projects
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-07-25 14:11 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-07-25 14:45 UTC
```

**6. Added: Update** (investigating) · 2026-07-25 14:11 UTC

```diff
+ Some projects are experiencing authentication issues. We are actively investigating.
```

**7. Added: Update** (identified) · 2026-07-25 14:21 UTC

```diff
+ We have implemented a fix to the authentication issue and are monitoring for recovery.
```

**8. Added: Update** (monitoring) · 2026-07-25 14:25 UTC

```diff
+ Authentication has returned to normal.
```

**9. Added: Update** (resolved) · 2026-07-25 14:45 UTC

```diff
+ Authentication operations have returned to normal consistently.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-07-25 14:11 UTC | Major incident: Authentication issues for some projects (this change) | outage |

All Supabase changes: [timeline](https://rewindex.com/company/supabase/changes.md)
_Diff excerpts are shown on normalized text: dates, counters and tokens appear as ‹date›, ‹count›, ‹tok›; noise-only edits are hidden. Rewindex shows the changed passages, not a copy of the page._


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Canonical: https://rewindex.com/change/iebc4166ca42739 · Markdown: https://rewindex.com/change/iebc4166ca42739.md · JSON: https://rewindex.com/api/v1/changes/iebc4166ca42739 · Generated 2026-10-18T02:55:22.275Z