Outage report · Major outage

GitHub outage on Sep 13, 2026

Incident with several GitHub Services

SeverityMajor outage

StartedSep 13, 2026, 09:16UTC

ResolvedSep 13, 2026, 10:44UTC

Duration1h 29m

What happened

GitHub reported a major outage starting Sep 13, 2026, 09:16 UTC, affecting API Requests, Issues, Pull Requests, Actions, Pages. It was marked resolved at Sep 13, 2026, 10:44 UTC.

The incident lasted 1h 29m from first report to resolution.
GitHub had reported 1 other partial or major outage in the 90 days before it.
3 other vendors we track reported a significant incident within 12 hours of it.

Latest update from GitHub

On September 13, 2026, between 08:43 and 10:44 UTC, GitHub experienced degraded availability across approximately 28 services, including Issues, Pull Requests, Actions, Codespaces, Pages, Notifications, Code Scanning, Git LFS, and new account signup. At peak, 8.8% of requests to create GitHub App installation access tokens failed. Token issuance for Actions workflows was also affected, impacting approximately 4% of workflows during the incident time frame. Creating issues through the web interface failed for about 96% of attempts, and signup failures were above 90%. <br /> <br />The cause was an internal data-cleanup job that began writing to a shared database cluster at 07:33 UTC. That cluster stores permission data read on nearly every authenticated request. The safeguard that was pacing the background job watched only one health signal — how far the database replicas were lagging — and that signal stayed low the whole time. It did not account for the load building on the primary i

Read GitHub's official incident report ↗