# Semgrep: Major incident: SMS Scans Degraded

**Summary:** Semgrep reported a major degradation of SMS Managed Scans starting 2026-09-03 21:35 UTC, lasting 1 h 10 min and resolving at 2026-09-03 22:45 UTC. The vendor attributed the disruption to an AWS STS outage in us-west-2 and confirmed full recovery of all Semgrep products at resolution. _(machine-written, sol)_
- Kind: Major incident · Label: degradation (model (Jev))
- Changed: 2026-09-03 21:35 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/yqrp6kb8qk5s](https://stspg.io/yqrp6kb8qk5s)
- [Company: Semgrep](https://rewindex.com/company/semgrep.md)
- Versions: before (none: first archived) → after incident\_version:316/zsh7dn1lhcpq@dc6beb1b8374
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ SMS Scans Degraded
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-09-03 21:35 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-09-03 22:45 UTC
```

**6. Added: Affected components**

```diff
+ Managed Scans, semgrep.dev - Managed Scans
```

**7. Added: Update** (investigating) · 2026-09-03 21:35 UTC

```diff
+ We are currently investigating this issue.
```

**8. Added: Update** (investigating) · 2026-09-03 21:55 UTC

```diff
+ AWS STS outage in us-west-2 is affecting our system. We are investigating mitigations.
```

**9. Added: Update** (monitoring) · 2026-09-03 22:30 UTC

```diff
+ Early signs of recovery for all Semgrep products. We are actively monitoring AWS updates on the regional, multi-service outage.
```

**10. Added: Update** (resolved) · 2026-09-03 22:45 UTC

```diff
+ Metrics show full recovery of all Semgrep products. Our engineering team will continue monitoring until the final update from AWS.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-09-03 21:35 UTC | Major incident: SMS Scans Degraded (this change) | degradation |

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/ia6e4848e5083cc · Markdown: https://rewindex.com/change/ia6e4848e5083cc.md · JSON: https://rewindex.com/api/v1/changes/ia6e4848e5083cc · Generated 2026-10-18T02:28:09.143Z