Outage in GitHub
Intermittent errors with app installation token authentication
Minor
May 23, 2026 - Started about 2 hours ago
Official incident page
Official incident page
Incident Report
We are investigating reports of impacted performance for some GitHub services.
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Latest Updates ( sorted recent to last )
INVESTIGATING
14 minutes ago - at 05/23/2026 05:41PM
We are seeing signs of mitigation and are continuing to monitor for complete mitigation.
Next update in one hour.
INVESTIGATING
about 1 hour ago - at 05/23/2026 04:35PM
We are continuing to investigate an elevated error rate of authentication failures for app installation tokens. Next update in one hour.
INVESTIGATING
about 2 hours ago - at 05/23/2026 04:01PM
We are seeing an increased rate of authentication failures for app installation tokens, affecting approximately 1% of tokens. We are continuing to investigate.
INVESTIGATING
about 2 hours ago - at 05/23/2026 04:00PM
We are investigating reports of impacted performance for some GitHub services.
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