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Outage in GitLab

Errors Opening Repositories

Resolved Minor
September 17, 2026 - Started 20 days ago - Lasted about 17 hours

Incident Report

Summary AI Generated

GitLab experienced a 17-hour minor incident where customers received HTTP 500 errors when attempting to open projects, affecting both the website UI and Git operations. The root cause was identified as an abuse vector targeting Gitaly nodes; mitigation efforts including node restarts and reconfiguration proved ineffective, ultimately requiring a full Gitaly rollback to resolve the issue. Service stabilized following the completed rollback deployment.

We're investigating reports of customers unable to open projects, receiving error 500 instead.

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Latest Updates ( sorted recent to last )
20 days ago - at 09/17/2026 08:44PM

We're investigating reports of customers unable to open projects, receiving error 500 instead.

20 days ago - at 09/17/2026 09:32PM

No material updates are available at this time. Our team continues to investigate the root cause of the issue.

20 days ago - at 09/17/2026 09:56PM

We’ve identified an abuse vector as the root cause and begun mitigation efforts. Early signs indicate that the service is recovering.

20 days ago - at 09/17/2026 11:23PM

We’re continuing mitigation efforts and have observed some recovery. Customers may still encounter HTTP 500 errors in the UI and during Git operations when accessing certain projects.

20 days ago - at 09/18/2026 12:29AM

We are continuing mitigation and monitoring recovery. Customers may still encounter HTTP 500 errors in the UI and during Git operations for certain projects. We will provide a further update as mitigation progresses.

20 days ago - at 09/18/2026 01:25AM

Mitigation has not yet fully restored the GitLab UI and Git operations in certain projects. We are still investigating HTTP 500 errors and will provide a further update as more information becomes available.

20 days ago - at 09/18/2026 02:01AM

Investigation continues. We will shortly be restarting the affected Gitaly node after reconfiguration. Further updates will be provided accordingly.

20 days ago - at 09/18/2026 02:34AM

The restart of the affected Gitaly node did not improve the issue; HTTP 500 errors continue affecting the GitLab UI and Git operations in certain projects. We are investigating and will provide further updates as the situation changes.

20 days ago - at 09/18/2026 03:02AM

Further mitigation is being rolled out while we continue to investigate HTTP 500 errors affecting the GitLab UI and Git operations. We will provide further updates as the mitigation progresses.

20 days ago - at 09/18/2026 04:00AM

A further mitigation change has been applied, and we are assessing its impact. HTTP 500 errors continue affecting the GitLab UI and Git operations in certain projects. Further updates will follow.

20 days ago - at 09/18/2026 06:28AM

Further mitigation change are currently being applied, and we are continuing to investigate the issue. HTTP 500 errors may continue affecting the GitLab UI and Git operations in certain projects. Further updates will follow.

20 days ago - at 09/18/2026 07:59AM

We are currently rolling back the deployment of Gitaly. We're waiting for the deploy to land, and we are continuing the investigation.

20 days ago - at 09/18/2026 09:01AM

A rollback release has been deployed to all Gitaly nodes. They are stable at present. However, we are continuing to monitor the situation.

20 days ago - at 09/18/2026 11:07AM

Gitaly nodes have stabilized following the completed rollback deployment. The incident has been mitigated and we remain focused on continued monitoring.

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