# Firebolt: Major incident: Login flow experiencing interruption in some regions

**Summary:** Firebolt reported a major login interruption in some regions due to an Auth0 incident, affecting users with expired tokens and possibly service accounts; V1 authentication was not expected to be affected. The incident started at 2025-03-25 18:21 UTC and was resolved at 2025-03-25 21:57 UTC, lasting 3 h 36 min; uninterrupted authentication was reported restored at 19:20 UTC. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2025-03-25 18:21 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/qbwsdmg36435](https://stspg.io/qbwsdmg36435)
- [Company: Firebolt](https://rewindex.com/company/firebolt.md)
- Versions: before (none: first archived) → after incident\_version:147/8zb7mcr3l4rd@68b6c173b7a0
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Login flow experiencing interruption in some regions
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2025-03-25 18:21 UTC
```

**5. Added: Resolved time**

```diff
+ 2025-03-25 21:57 UTC
```

**6. Added: Affected components**

```diff
+ API, Firebolt Components - API, Firebolt Components - Tenant Account Creation, Firebolt Components - Web Application, Tenant Account Creation, Web Application
```

**7. Added: Update** (investigating) · 2025-03-25 18:21 UTC

```diff
+ Due to an Auth0 incident, we are experiencing an interruption to logins (possibly including programmatic access such as service accounts) if the user's token has expired. We will update as we have more information.
```

**8. Added: Update** (investigating) · 2025-03-25 18:21 UTC

```diff
+ We are continuing to investigate this issue.
```

**9. Added: Update** (investigating) · 2025-03-25 18:32 UTC

```diff
+ For users currently on V1 of Firebolt, your authentication should not be affected.  Auth0 has advised they have identified the root cause and are working on a remediation.
```

**10. Added: Update** (investigating) · 2025-03-25 18:56 UTC

```diff
+ Auth0 has partially recovered services. You may be able to resume logins/ authentications, however there may still be intermittent errors. We will post here when all services have been 100% recovered.
```

**11. Added: Update** (investigating) · 2025-03-25 19:20 UTC

```diff
+ Auth0 has indicated all systems are operational. You should now be able to resume logins and authentication without interruption. Thank you for your patience.
```

**12. Added: Update** (resolved) · 2025-03-25 21:57 UTC

```diff
+ This incident has been resolved.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2025-03-25 18:21 UTC | Major incident: Login flow experiencing interruption in some regions (this change) | outage |

All Firebolt changes: [timeline](https://rewindex.com/company/firebolt/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/i76c0ea659c1440 · Markdown: https://rewindex.com/change/i76c0ea659c1440.md · JSON: https://rewindex.com/api/v1/changes/i76c0ea659c1440 · Generated 2026-10-18T03:22:17.999Z