Outage in GitLab

Spike of 400 errors on the /oauth/token endpoint

Resolved Minor
August 21, 2025 - Started 5 days ago - Lasted about 1 hour

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Outage Details

We have noticed a spike of 400 errors on the /oauth/token endpoint. We're currently investigating. More details here: https://gitlab.com/gitlab-com/gl-infra/production/-/issues/20398
Components affected
GitLab API
Latest Updates ( sorted recent to last )
5 days ago - at 08/21/2025 11:33AM

We have noticed a spike of 400 errors on the /oauth/token endpoint. We're currently investigating. More details here: https://gitlab.com/gitlab-com/gl-infra/production/-/issues/20398

5 days ago - at 08/21/2025 11:49AM

No material updates as of now, we're still investigating. More details here: https://gitlab.com/gitlab-com/gl-infra/production/-/issues/20398

5 days ago - at 08/21/2025 12:04PM

We have now identified the root cause and are in the process of reverting it. More details here: https://gitlab.com/gitlab-com/gl-infra/production/-/issues/20398

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