# GitBook incident history

- **GitBook**: [ Git Sync affected by GitHub disruption](https://down.guide/gitbook/DWN-a30d653f22) (Partial outage; lasted 1h 48m; started 2026-11-04 10:15 UTC)
- **GitBook**: [Security incident impacting published sites and GitBook app](https://down.guide/gitbook/DWN-2235d4b90e) (Major outage; lasted 1d 6h; started 2026-11-03 05:16 UTC)
- **GitBook**: [GitBook services unavailable](https://down.guide/gitbook/DWN-de30812799) (Major outage; lasted 8h 25m; started 2026-11-02 20:26 UTC)
- **GitBook**: [Git Sync causing missing page content](https://down.guide/gitbook/DWN-84581500c4) (Partial outage; lasted 5h 14m; started 2026-11-02 13:56 UTC)
- **GitBook**: [API operations are slower than usual](https://down.guide/gitbook/DWN-fc455749a2) (Degraded; lasted 14h 33m; started 2026-10-28 09:15 UTC)
- **GitBook**: [App and published docs unavailable](https://down.guide/gitbook/DWN-9101fb5179) (Major outage; lasted 5m; started 2026-09-05 18:56 UTC)
- **GitBook**: [GitHub outage affecting Git Sync](https://down.guide/gitbook/DWN-aa049bec37) (Degraded; lasted 7h 18m; started 2026-08-17 13:56 UTC)
- **GitBook**: [GitBook webapp is returning 500](https://down.guide/gitbook/DWN-ca7939c6de) (Major outage; lasted 1h 33m; started 2026-06-25 11:34 UTC)
- **GitBook**: [Sites are failing intermittently with 500 Internal Server Error](https://down.guide/gitbook/DWN-14c6d949de) (Partial outage; lasted 1h 17m; started 2026-06-22 14:58 UTC)
- **GitBook**: [Increased API error rate](https://down.guide/gitbook/DWN-b958842217) (Partial outage; lasted 1h 29m; started 2026-06-02 14:40 UTC)
- **GitBook**: [Degraded database performance](https://down.guide/gitbook/DWN-0362a38bf6) (Partial outage; lasted 2h 23m; started 2026-05-08 15:52 UTC)
- **GitBook**: [500 errors on some \*.gitbook.io published sites](https://down.guide/gitbook/DWN-67d4b48044) (Partial outage; lasted 2h 5m; started 2026-05-04 11:55 UTC)
- **GitBook**: [Git Sync executions are delayed due to third-party outage](https://down.guide/gitbook/DWN-3bcf24bae4) (Partial outage; lasted 13h 23m; started 2026-04-15 15:34 UTC)
- **GitBook**: [Degraded API performance](https://down.guide/gitbook/DWN-d15cdfcb5c) (Partial outage; lasted 4h 4m; started 2026-03-27 14:43 UTC)
- **GitBook**: [Documentation sites with a custom domain returned a 404 error](https://down.guide/gitbook/DWN-1a9c8bee0b) (Partial outage; lasted 0m; started 2026-03-06 16:56 UTC)
- **GitBook**: [Site wide outage](https://down.guide/gitbook/DWN-2b61b0be90) (Major outage; lasted 21m; started 2026-02-26 17:15 UTC)
- **GitBook**: [App and Public content failures due to Cloudflare outage](https://down.guide/gitbook/DWN-a2b2966961) (Major outage; lasted 1h; started 2025-12-05 09:12 UTC)
- **GitBook**: [Intermittent change request failures](https://down.guide/gitbook/DWN-9ffd49ae35) (Degraded; lasted 2h 51m; started 2025-11-18 12:55 UTC)
- **GitBook**: [Public content not loading or taking longer to load](https://down.guide/gitbook/DWN-1881d7efc0) (Partial outage; lasted 22h 16m; started 2025-10-20 09:16 UTC)

[Back to GitBook](https://down.guide/gitbook)

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