Outage in GitLab

GitLab Duo Chat - 401 Errors

Resolved Minor
October 22, 2025 - Started 1 day ago - Lasted about 5 hours

Incident Report

We are investigating reports that some users may be receiving 401 authentication errors when using GitLab Duo Agentic chat. Updates will be provided as we learn more.

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Latest Updates ( sorted recent to last )
1 day ago - at 10/22/2025 05:05PM

We are investigating reports that some users may be receiving 401 authentication errors when using GitLab Duo Agentic chat. Updates will be provided as we learn more.

1 day ago - at 10/22/2025 06:16PM

We are continuing to investigate the root cause behind Duo reporting authentication errors and assessing if there is impact to other services.

1 day ago - at 10/22/2025 08:10PM

No material updates available at this time as our investigation is still in progress. Another update will be provided no later than 23:00 UTC.

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