GitHub outage: Degradation with Webhooks, Pull Requests and Actions

1. resolvedJun 25, 2026, 18:27 UTC

   On June 25, 2026, between 17:33 UTC and 17:55 UTC, our background job service experienced degradation which increased delays to pull requests, repository pushes, Actions workflows, and Webhooks, with delays peaking at 7m. The issue was caused by underlying hypervisor issues and an incoming traffic spike, causing service timeouts which led to a connection storm and continual rebalances. The issue was mitigated by replacing the problem node at 17:49, after which all services saw recovery by 18:07.

What APIStatus.watch saw

Our 5-minute checks didn't record a change in GitHub's overall status around this incident. Smaller or regional incidents often leave a provider's overall status green.

Other services with incidents at the same time

Overlapping incidents aren't necessarily related.

• Anthropic: We’ve suspended access to Claude Mythos 5 and Claude Fable 5Critical · Jun 13, 2026, 00:50 UTC
• Confluent Cloud: Increased error rates in Metrics APIMajor · Jun 25, 2026, 15:59 UTC
• OVHcloud: [GRA1][Compute - Instance] - Some Instances Incident NotificationMajor · Jun 25, 2026, 18:15 UTC
• Smartsheet: Increased spam activity with Smartsheet FormsMinor · Jun 18, 2026, 21:42 UTC
• Snyk: Third-Party Vendor Security Incident (Klue)Minor · Jun 19, 2026, 23:15 UTC
• OVHcloud: [UK1][Public Cloud] - API Incident NotificationMinor · Jun 22, 2026, 14:45 UTC
• Twilio: SMS Delivery Delays and Failures from Twilio to Orange BotswanaMinor · Jun 24, 2026, 11:45 UTC
• Twilio: SMS Delivery Delays and Failures From a Subset of Twilio Sender IDs to SmartFren IndonesiaMinor · Jun 25, 2026, 03:32 UTC
• Twilio: Voice Call Failures and Audio Quality Degradation from Italy to a Subset of Twilio Italy Phone NumbersMinor · Jun 25, 2026, 11:13 UTC
• Supabase: Upgrade FailuresMinor · Jun 25, 2026, 14:20 UTC

How often does GitHub have incidents?

GitHub reported 66 incidents in the last 90 days, 26 of them major or critical. A typical incident lasted 1h 21m. See GitHub's uptime and incident history