GitHub incident

Intermittent errors with app installation token authentication

Minor Ongoing View vendor source →

GitHub is currently experiencing a minor incident, which began 41 min ago. The vendor's full update timeline is below.

Started
May 23, 2026, 04:00 PM UTC
Resolved
Ongoing
Duration
● 40m
Detected by Pingoru
May 23, 2026, 04:00 PM UTC

Update timeline

  1. investigating May 23, 2026, 04:00 PM UTC

    We are investigating reports of impacted performance for some GitHub services.

  2. investigating May 23, 2026, 04:01 PM UTC

    We are seeing an increased rate of authentication failures for app installation tokens, affecting approximately 1% of tokens. We are continuing to investigate.

  3. investigating May 23, 2026, 04:35 PM UTC

    We are continuing to investigate an elevated error rate of authentication failures for app installation tokens. Next update in one hour.