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GitHub · Developer toolsNov 18, 2025, 20:39 UTC

Git operation failures

MajorCertificateUpdated 20h ago
Nov 18, 20:39 UTCNov 18, 21:59 UTC
Duration
1h 20m
Impact
Major
Root cause
Certificate
GitHub, 90 days
68 incidents
Affected
Not listed by the vendor.
Status page

Final update

From Nov 18, 2025 20:30 UTC to Nov 18, 2025 21:34 UTC we experienced failures on all Git operations, including both SSH and HTTP Git client interactions, as well as raw file access. These failures also impacted products that rely on Git operations. The root cause was an expired TLS certificate used for internal service-to-service communication. We mitigated the incident by replacing the expired certificate and restarting impacted services. Once those services were restarted we saw a full recovery. We have updated our alerting to cover the expired certificate and are performing an audit of other certificates in this area to ensure they also have the proper alerting and automation before expiration. In parallel, we are accelerating efforts to eliminate our remaining manually managed certificates, ensuring all service-to-service communication is fully automated and aligned with modern security practices.

Timeline

  1. Resolved · Nov 18, 21:59 UTC
    From Nov 18, 2025 20:30 UTC to Nov 18, 2025 21:34 UTC we experienced failures on all Git operations, including both SSH and HTTP Git client interactions, as well as raw file access. These failures also impacted products that rely on Git operations. The root cause was an expired TLS certificate used for internal service-to-service communication. We mitigated the incident by replacing the expired certificate and restarting impacted services. Once those services were restarted we saw a full recovery. We have updated our alerting to cover the expired certificate and are performing an audit of other certificates in this area to ensure they also have the proper alerting and automation before expiration. In parallel, we are accelerating efforts to eliminate our remaining manually managed certificates, ensuring all service-to-service communication is fully automated and aligned with modern security practices.

More from GitHub

Full history
StartedIncidentDuration
Sep 2310:11 UTCIncident across several servicesOngoing
Sep 2022:13 UTCIncident with Pull Requests1h 9m
Sep 1720:59 UTCElevated rate of errors for OpenAI models provided by Copilot50m
Sep 1607:20 UTCDegradation with Gemini 3.8 Flash10h 28m
Sep 1519:11 UTCDisruption with some GitHub services49m
Sep 1509:47 UTCDisruption with some GitHub services1h 30m

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