GitHub incident
Incident with CodeQL, Webhooks, Notifications, and Slack Integration
GitHub experienced a minor incident on May 12, 2026 affecting Webhooks and Actions, lasting 3h 5m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating May 12, 2026, 02:38 PM UTC
We are investigating reports of degraded performance for Actions
- investigating May 12, 2026, 03:13 PM UTC
CodeQL actions are currently experiencing delays, which may result in those actions being stuck in a pending state or having failed due to a timeout.
- investigating May 12, 2026, 03:42 PM UTC
We're continuing to investigate issues with CodeQL actions workflows. We're additionally seeing delays for notifications, webhooks, and the Slack integration.
- investigating May 12, 2026, 03:44 PM UTC
Webhooks is experiencing degraded performance. We are continuing to investigate.
- investigating May 12, 2026, 04:18 PM UTC
We've established that most delays are related to a queuing service and are working to scale out. Early signals from the scale-out are showing signs of recovery for some services. We'll provide an update when services are fully recovered.
- investigating May 12, 2026, 04:28 PM UTC
Webhooks is operating normally.
- investigating May 12, 2026, 04:29 PM UTC
Webhooks have fully recovered. Continuing to work on recovery for the other services.
- investigating May 12, 2026, 04:59 PM UTC
CodeQL has fully recovered. We're continuing to work on recovery for the remaining impacted services.
- investigating May 12, 2026, 05:43 PM UTC
All services have fully recovered.
- resolved May 12, 2026, 05:43 PM UTC
This incident has been resolved. Thank you for your patience and understanding as we addressed this issue. A detailed root cause analysis will be shared as soon as it is available.