## Disruption with some GitHub services

- 種別: status
- 関連技術: github
- 公開日時: 2026-09-15T11:17:22.000Z
- 情報源: GitHub Status (https://www.githubstatus.com/incidents/qwdwmtqghpk5)
- パーマリンク: https://vulnpulse.app/items/github-status-8ca0f63c0d3c

Sep 15 , 11:17 UTC Resolved - On September 15, 2026, between 05:45 and 09:50 UTC, the Claude Fable 5.1 model in GitHub Copilot experienced intermittently degraded availability, with an average error rate of 2.8%. During brief recurring 15 minute periods that recurred every ~45 minutes, availability for Claude Fable 5.1 dropped to a maximum of ~40% before recovering completely. Other Copilot models were not affected. Users could continue to work with a different model or with 'Auto'. The cause was an issue with an upstream model provider that intermittently rejected requests while overloaded.…