What Happened
GitHub experienced an outage on June 10, 2026. The incident lasted approximately 1 hour 18 minutes.
World's largest source code hosting platform with version control, CI/CD (Actions), code review, project management, and AI coding assistant (Copilot).
Timeline
| Time (UTC) | Status | Details |
|---|---|---|
| 16:21 | Investigating | We continue to investigate issues related to sporadic authentication failures, impacting approximately 15% of API traffic. Erroneous 401 responses are causing app integrations to trigger authentica... |
| 15:46 | Investigating | The degradation affecting Issues has been mitigated. We are monitoring to ensure stability. |
| 15:46 | Investigating | We continue to investigate issues related to sporadic authentication failures, impacting approximately 15% of API traffic. Further updates will be provided as we work to mitigate. |
| 15:27 | Investigating | We are investigating issues related to sporadic authentication failures impacting approximately 15% of API traffic. We will continue to investigate and provide updates. |
| 15:27 | Investigating | Issues is experiencing degraded performance. We are continuing to investigate. |
| 15:23 | Investigating | API Requests is experiencing degraded availability. We are continuing to investigate. |
| 15:20 | Investigating | We are investigating reports of impacted performance for some GitHub services. |
| 16:42 | Resolved | All systems operational |
Impact
The outage lasted approximately 1 hour 18 minutes. GitHub runs on Azure — check those status pages if you experienced cascading issues.
Resolution
GitHub has recovered and is now operational.
What To Do Next
- View GitHub live status and outage history
- Set up alerts to get notified instantly next time GitHub has an issue
- Compare GitHub reliability with other services
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This post was automatically generated by ServiceAlert.ai's monitoring system. View live status →