GitHub Login Disruption
Aug 25, 23:20 UTCAug 25, 20:00 UTC
Duration
0m
Impact
Minor
Root cause
Not disclosed
CircleCI, 90 days
28 incidents
Affected
Not listed by the vendor.
Final update
Between 19:49 UTC and 21:07 UTC on August 25, 2026, customers attempting to log in to CircleCI using GitHub were unable to sign in, and received an error from GitHub stating the callback URL was invalid. Customers who were already logged in were not affected. The issue has been resolved and GitHub login is functioning normally. We thank you for your patience while our team worked on implementing a fix.
Timeline
- Resolved · Aug 25, 20:00 UTC
Between 19:49 UTC and 21:07 UTC on August 25, 2026, customers attempting to log in to CircleCI using GitHub were unable to sign in, and received an error from GitHub stating the callback URL was invalid. Customers who were already logged in were not affected. The issue has been resolved and GitHub login is functioning normally. We thank you for your patience while our team worked on implementing a fix.
More from CircleCI
Full history| Started | Incident | Impact | Duration |
|---|---|---|---|
| Sep 2318:13 UTC | Delays in processing new signups and plan changes | none | 1h 53m |
| Sep 2116:22 UTC | Delays starting Linux Machine jobs | minor | 47m |
| Sep 1614:55 UTC | Customers may experience delays in UI updates | minor | 4h 35m |
| Sep 1514:42 UTC | Customers may experience delays in UI updates | minor | 2h 20m |
| Sep 1411:59 UTC | Increased wait times for macOS jobs | minor | 1h |
| Sep 1020:25 UTC | Issues loading pipelines for a small number of projects | minor | 1m |
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