Resolved incident

GitHub Login Disruption

CircleCI · Minor · Started

Duration
< 1m
Severity
Minor
Status
Resolved

Summary

Minor · Resolved

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.

View official incident ↗

Event timeline

How this incident unfolded, from the official status page.

  1. Resolved

    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.