# crates.io: Major incident: DoS Attack

**Summary:** _summary pending_
- Kind: Major incident · Label: major (vendor)
- Changed: 2026-07-11 14:22 UTC · Detected: 2026-10-19 17:33 UTC
- [Source: https://stspg.io/0p2ttqj3vdh6](https://stspg.io/0p2ttqj3vdh6)
- [Company: crates.io](https://rewindex.com/company/crates-io.md)
- Versions: before (none: first archived) → after incident\_version:706/h2fxgl2jtc5q@a14ff9894fff
- Change 1 of 1 for this incident

Incident page (full timeline): [DoS Attack](https://rewindex.com/company/crates-io/incidents/h2fxgl2jtc5q.md)
## What changed

**1. Added: Title**

```diff
+ DoS Attack
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-07-11 14:22 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-07-11 15:42 UTC
```

**6. Added: Affected components**

```diff
+ crates.io
```

**7. Added: Update** (investigating) · 2026-07-11 14:22 UTC

```diff
+ We are experiencing what looks like a coordinated DoS attack against our API servers. We are monitoring the situation and are assessing our reaction. Crate downloads and dependency resolution through the sparse/git index should not be affected.
```

**8. Added: Update** (investigating) · 2026-07-11 14:22 UTC

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

**9. Added: Update** (monitoring) · 2026-07-11 15:06 UTC

```diff
+ We have deployed countermeasures and our servers are largely back to normal again. We keep monitoring the situation. If you encounter any issues please let us know!
```

**10. Added: Update** (resolved) · 2026-07-11 15:42 UTC

```diff
+ This incident has been resolved. Big thanks to Fastly for providing their CDN services and their fast response time!
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-07-11 14:22 UTC | Major incident: DoS Attack (this change) | major |

All crates.io changes: [timeline](https://rewindex.com/company/crates-io/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/ib0ff0ba57070ce · Markdown: https://rewindex.com/change/ib0ff0ba57070ce.md · JSON: https://rewindex.com/api/v1/changes/ib0ff0ba57070ce · Generated 2026-10-20T00:00:15.918Z