Outage in GitLab

Spike of 400 errors on the /oauth/token endpoint

Resolved Minor
August 21, 2025 - Started about 2 months ago - Lasted about 1 hour

Incident Report

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

One place to monitor all your cloud vendors. Get instant alerts when an outage is detected.

Try IsDown risk-free 14-day free trial · No credit card required
Latest Updates ( sorted recent to last )
about 2 months 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

about 2 months 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

about 2 months 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

Latest GitLab outages

Code search errors on GitLab.com - 10 days ago
500 Errors on GitLab.com - 10 days ago
500 Errors on GitLab.com - 12 days ago
Git operations timing out - 12 days ago
Unexpected 500/503 response codes on canary infrastructure - 13 days ago

The Status Page Aggregator Built for IT Teams

With IsDown, you can monitor all your critical services' official status pages from one centralized dashboard and receive instant alerts the moment an outage is detected. Say goodbye to constantly checking multiple sites for updates and stay ahead of outages with IsDown.

Start free trial

No credit card required · Cancel anytime · 4522 services available

Integrations with Slack Microsoft Teams Google Chat Datadog PagerDuty Zapier Discord Webhook