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critical✓ Resolved

Incident with GitHub.com

GitHubMon, Aug 17, 2026, 01:40 PM
Status
resolved
Duration
7h 36m
Updates
35
Coverage
0 articles

INCIDENT TIMELINE

✓ ResolvedMon, Aug 17, 2026, 09:16 PM
This incident has been resolved.
investigatingMon, Aug 17, 2026, 08:45 PM
We are continuing to apply mitigations to address sporadic Copilot authentication failures in some applications. We expect full recovery within the next 30 minutes. Copilot usage via the GitHub CLI and GitHub App are unaffected.
investigatingMon, Aug 17, 2026, 08:22 PM
Issues is operating normally.
investigatingMon, Aug 17, 2026, 08:08 PM
We are continuing to investigate sporadic failures affecting Copilot authentication in some applications. Copilot usage via the GitHub CLI and GitHub App are unaffected.
investigatingMon, Aug 17, 2026, 07:13 PM
We are continuing to investigate sporadic authentication failures. We have partially disabled authentication token retries and have seen improvement, and we are monitoring impact before fully applying this mitigation.
investigatingMon, Aug 17, 2026, 07:01 PM
API Requests is operating normally.
investigatingMon, Aug 17, 2026, 06:48 PM
API Requests is experiencing degraded availability. We are continuing to investigate.
investigatingMon, Aug 17, 2026, 06:23 PM
The degradation affecting Git Operations has been mitigated. We are monitoring to ensure stability.
investigatingMon, Aug 17, 2026, 06:11 PM
We identified the problematic component and have taken corrective actions, but we are seeing residual impact in the form of sporadic authentication failures. We are continuing to apply additional mitigations and investigate the remaining impact.
investigatingMon, Aug 17, 2026, 05:36 PM
Issues is experiencing degraded performance. We are continuing to investigate.
investigatingMon, Aug 17, 2026, 05:34 PM
We identified the problematic component and have taken corrective actions, but we are seeing residual impact across numerous services. We are continuing to apply additional mitigations and investigate the remaining impact.
investigatingMon, Aug 17, 2026, 05:30 PM
Git Operations is experiencing degraded performance. We are continuing to investigate.
investigatingMon, Aug 17, 2026, 04:59 PM
The degradation affecting API Requests, Actions, Git Operations, Issues, Pages, Pull Requests and Webhooks has been mitigated. We are monitoring to ensure stability.
investigatingMon, Aug 17, 2026, 04:36 PM
We identified the problematic component and have taken corrective actions. There are strong signs of recovery but we are still working to completely restore service, with error rates still remaining slightly elevated. We will post further updates as recovery continues.
investigatingMon, Aug 17, 2026, 04:16 PM
We are experiencing high error rates around 20% for web experiences and api traffic. Archive downloads and raw repository content downloads are experiencing an approximate 50% error rate. SAML and OIDC authentication, SCIM, and Team Sync are also impacted. We are still working to identify the root cause and will continue to post updates as we learn more and perform mitigation.
investigatingMon, Aug 17, 2026, 03:42 PM
We are experiencing high error rates around 20% for web experiences and api traffic. Archive downloads and raw repository content downloads are experiencing an approximate 50% error rate. SAML and OIDC authentication, SCIM, and Team Sync are also impacted. We are currently performing mitigations and will post updates as we progress.
investigatingMon, Aug 17, 2026, 03:40 PM
Webhooks is experiencing degraded performance. We are continuing to investigate.
investigatingMon, Aug 17, 2026, 03:21 PM
Git Operations is experiencing degraded performance. We are continuing to investigate.
investigatingMon, Aug 17, 2026, 03:10 PM
Pages is experiencing degraded performance. We are continuing to investigate.
investigatingMon, Aug 17, 2026, 03:01 PM
API Requests is experiencing degraded availability. We are continuing to investigate.
investigatingMon, Aug 17, 2026, 02:58 PM
Webhooks is experiencing degraded availability. We are continuing to investigate.
investigatingMon, Aug 17, 2026, 02:58 PM
We are experiencing high error rates around 20% for web experiences and api traffic. Archive downloads and raw repository content downloads are experiencing an approximate 50% error rate. SAML and OIDC authentication, SCIM, and Team Sync are also impacted. We are currently performing mitigations based on our investigation thus far and are monitoring for improvement.
investigatingMon, Aug 17, 2026, 02:58 PM
Actions is experiencing degraded availability. We are continuing to investigate.
investigatingMon, Aug 17, 2026, 02:54 PM
Pull Requests is experiencing degraded availability. We are continuing to investigate.
investigatingMon, Aug 17, 2026, 02:49 PM
Issues is experiencing degraded availability. We are continuing to investigate.
investigatingMon, Aug 17, 2026, 02:45 PM
Pull Requests is experiencing degraded availability. We are continuing to investigate.
investigatingMon, Aug 17, 2026, 02:31 PM
Copilot is experiencing degraded availability. We are continuing to investigate.
investigatingMon, Aug 17, 2026, 02:24 PM
We are experiencing high error rates around 20% for web experiences and api traffic. Archive downloads and raw repository content downloads are experiencing an approximate 50% error rate. SAML and OIDC authentication, SCIM, and Team Sync are also impacted. Investigations are on-going and we will continue to provide updates as we discover more information.
investigatingMon, Aug 17, 2026, 02:04 PM
We are experiencing high error rates around 20% for web experiences and api traffic. Archive downloads and raw repository content downloads are experiencing an approximate 50% error rate. Investigations are on-going into the root cause, and updates will continue to be provided as we investigate.
investigatingMon, Aug 17, 2026, 01:58 PM
Pull Requests is experiencing degraded performance. We are continuing to investigate.
investigatingMon, Aug 17, 2026, 01:46 PM
Issues is experiencing degraded performance. We are continuing to investigate.
investigatingMon, Aug 17, 2026, 01:45 PM
We are seeing an approximate 20% error rate across numerous experiences including Pull Requests, Issues, and others. Investigations are currently under way and we will be posting updates as they become available
investigatingMon, Aug 17, 2026, 01:44 PM
Webhooks is experiencing degraded performance. We are continuing to investigate.
investigatingMon, Aug 17, 2026, 01:42 PM
Actions is experiencing degraded performance. We are continuing to investigate.
investigatingMon, Aug 17, 2026, 01:41 PM
API Requests is experiencing degraded performance. We are continuing to investigate.
investigatingMon, Aug 17, 2026, 01:40 PM
We are investigating reports of impacted performance for some GitHub services.

📊 TECHNICAL DETAILS

Internal ID
333a5b0d-4f05-474d-bb7b-8d0cf0ffd05f
External ID
zkxwbgr0cnmx
🕐 Started
Mon, Aug 17, 2026, 01:40 PM
🔄 Last Updated
Mon, Aug 17, 2026, 09:16 PM
✓ Resolved
Mon, Aug 17, 2026, 09:16 PM
CRITICAL
Impact Level
7h 36m
Total Duration
35
Status Updates
Affected Components
Git OperationsWebhooksAPI RequestsIssuesPull RequestsActionsPagesCopilot
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