# Semgrep: Critical incident: Scans failing to start

**Summary:** Semgrep reported a critical outage affecting Managed Scans and CI scans because of a problem generating configurations for new scans. The recorded window was 2026-04-22 18:14 UTC–18:35 UTC (21 min), though Semgrep reported onset around 17:30 UTC. Semgrep took action and confirmed resolution; users with pending scans were advised to push a new commit to retry. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2026-04-22 18:14 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/q80z4ftw0fxg](https://stspg.io/q80z4ftw0fxg)
- [Company: Semgrep](https://rewindex.com/company/semgrep.md)
- Versions: before (none: first archived) → after incident\_version:316/y2mmpz3jyky0@b0a530314f89
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Scans failing to start
```

**2. Added: Impact**

```diff
+ critical
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-04-22 18:14 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-04-22 18:35 UTC
```

**6. Added: Affected components**

```diff
+ Managed Scans, Scans and CI/CD, semgrep.dev - Managed Scans, semgrep.dev - Scans and CI/CD
```

**7. Added: Update** (monitoring) · 2026-04-22 18:14 UTC

```diff
+ We have identified a problem in the service that generates the configuration for new scans. This incident began at approximately 17:30 UTC, and it affects both Managed Scans and CI scans. We have taken action and are actively monitoring the system. If you have a scan that is pending, you can push a new commit to cause the scan to retry.
```

**8. Added: Update** (resolved) · 2026-04-22 18:35 UTC

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

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-04-22 18:14 UTC | Critical incident: Scans failing to start (this change) | outage |

All Semgrep changes: [timeline](https://rewindex.com/company/semgrep/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/i6e8524e9190e39 · Markdown: https://rewindex.com/change/i6e8524e9190e39.md · JSON: https://rewindex.com/api/v1/changes/i6e8524e9190e39 · Generated 2026-10-18T02:29:53.195Z