# Firebolt: Critical incident: Logging into FIrebolt may fail

**Summary:** Firebolt reported a critical Web Application incident where login attempts could fail or take significantly longer than usual, starting 2021-04-20 16:25 UTC and resolved at 2021-04-20 17:19 UTC (53 min). Firebolt attributed the issue to an Auth0 outage and reported implementing a fix. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2021-04-20 16:25 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/qvy78mpqllq7](https://stspg.io/qvy78mpqllq7)
- [Company: Firebolt](https://rewindex.com/company/firebolt.md)
- Versions: before (none: first archived) → after incident\_version:147/xvc1zykt4y8f@c6e2db444193
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Logging into FIrebolt may fail
```

**2. Added: Impact**

```diff
+ critical
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2021-04-20 16:25 UTC
```

**5. Added: Resolved time**

```diff
+ 2021-04-20 17:19 UTC
```

**6. Added: Affected components**

```diff
+ Firebolt Components - Web Application, Web Application
```

**7. Added: Update** (investigating) · 2021-04-20 16:25 UTC

```diff
+ We are currently investigating the issue. Log-in attempts can either fail or take significantly longer than usual.
```

**8. Added: Update** (identified) · 2021-04-20 17:03 UTC

```diff
+ The issue has been identified and is being caused due to an Auth0 outage.
```

**9. Added: Update** (monitoring) · 2021-04-20 17:03 UTC

```diff
+ A fix has been implemented and we are monitoring the results.
```

**10. Added: Update** (resolved) · 2021-04-20 17:19 UTC

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

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2021-04-20 16:25 UTC | Critical incident: Logging into FIrebolt may fail (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/i7be2bdfb343501 · Markdown: https://rewindex.com/change/i7be2bdfb343501.md · JSON: https://rewindex.com/api/v1/changes/i7be2bdfb343501 · Generated 2026-10-18T02:54:44.112Z