Buildkite incident

Small number of incoming GitHub Webhook failing

Minor Resolved View vendor source →

Buildkite experienced a minor incident on October 1, 2026 affecting GitHub Webhooks, lasting 47m. The incident has been resolved; the full update timeline is below.

Started
Oct 01, 2026, 06:10 AM UTC
Resolved
Oct 01, 2026, 06:57 AM UTC
Duration
47m
Detected by Pingoru
Oct 01, 2026, 06:10 AM UTC

Affected components

GitHub Webhooks

Update timeline

  1. identified Oct 01, 2026, 06:10 AM UTC

    Since 2026-09-30 20:52:36 UTC on 30 September, small amount of incoming GitHub webhook deliveries to Buildkite pipelines are being rejected, so the related builds are not created. For people who use GitHub.com may affect ability to receive status checks. We have identified the cause and are deploying a mitigation. This does not affect GitHub Enterprise Server and other SCM providers.

  2. monitoring Oct 01, 2026, 06:33 AM UTC

    The mitigation is rolling out and we are seeing recovery. We will continue to monitor and provide an update.

  3. resolved Oct 01, 2026, 06:57 AM UTC

    The error rate has returned to normal levels.