Changes / CircleCI / GitHub Incidents impacting CircleCI functionality
CircleCI: Major incident: GitHub Incidents impacting CircleCI functionality
Summary
CircleCI reported major degradation affecting pipeline triggering and login, with possible failures reporting running jobs’ status to GitHub Pull Requests. The incident ran from 2026-08-17 14:04 UTC to 2026-08-17 19:05 UTC, lasting 5 h 1 min. CircleCI attributed the disruption to a GitHub incident and resolved it after GitHub’s APIs appeared to be operating normally.
Machine-written from the diff below (Sol; type: incident degradation). Check the diff before relying on it.
What changed
Before: not present
After: GitHub Incidents impacting CircleCI functionality
Before: not present
After: major
Before: not present
After: resolved
Before: not present
After: 2026-08-17 14:04 UTC
Before: not present
After: 2026-08-17 19:05 UTC
Before: not present
After: GitHub has reported an incident that is impacting CircleCI pipeline triggering and logging in: https://www.githubstatus.com/incidents/zkxwbgr0cnmx
Jobs that are in flights are running, but status reporting to GitHub Pull Requests may fail.
Before: not present
After: We are continuing to see high error rates on GitHub APIs and reduced webhook traffic.
We will continue to provide updates as more information becomes available.
Before: not present
After: We are continuing to see high error rates on GitHub's APIs and reduced webhook traffic. Customers using GitHub as their VCS may experience impact to their CircleCI platform experience as a result. This is directly linked to the incident GitHub is experiencing: https://www.githubstatus.com/incidents/zkxwbgr0cnmx
We will provide updates as more information becomes available.
Before: not present
After: We have started to observe improved stability in GitHub APIs. We will continue to monitor as they recover.
Before: not present
After: GitHub API error rates and latencies appear to have recovered. We will continue to monitor.
Before: not present
After: Some of GitHub's APIs are still degraded, resulting in a small number of failures relating to commit status updates and hook processing. We will continue to do our best to mitigate these effects.
Before: not present
After: GitHub's APIs appear to be operating normally.
First version of this incident archived by Rewindex. View the live incident.
History of this incident
| When (UTC) | Change | Kind |
|---|---|---|
| Major incident: GitHub Incidents impacting CircleCI functionality (this change) CircleCI reported major degradation affecting pipeline triggering and login, with possible failures reporting running jobs’ status to GitHub Pull Requests. The incident ran from 2026-08-17 14:04 UTC to 2026-08-17 19:05 UTC, lasting 5 h 1 min. CircleCI attributed the disruption to a GitHub incident and resolved it after GitHub’s APIs appeared to be operating normally. | Major incident |