Semgrep incident
Failures running diff-aware scans for GitHub.com customers
Resolved after 1 hour, on April 23, 2026.
Starting around 16:00 UTC, some diff-aware Managed Scans for GitHub.com projects failed due to inability to fetch information about relevant branches, coinciding with a degradation in GitHub availability. The failure rate returned to normal just after 17:00 UTC and the system is now stable.
Update timeline
- resolved Apr 23, 2026, 06:07 PM UTC
Starting around 16:00 UTC, some diff-aware Managed Scans for GitHub.com projects failed due to inability to fetch information about relevant branches, coinciding with a degradation in GitHub availability. The failure rate returned to normal just after 17:00 UTC and the system is now stable.
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