GitHub Login Disruption

Minor · Started Aug 25, 2026 · 8:00 PM

Duration

< 1m
Severity

Minor
Detection lead

—
User reports

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Summary

GitHub Login Disruption

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.

Started

Aug 25, 2026 · 8:00 PM
Resolved

Aug 25, 2026 · 8:00 PM
Duration

< 1m
Severity

Minor

Event timeline

How this incident unfolded

✓

Resolved
Aug 25 · 11:20 PM CircleCI

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.