503RADARINCIDENT ARCHIVEMETHODOLOGY
RESOLVED

GitHub outage — August 17, 2026

Incident with GitHub.com

GitHub’s Issues & PRs was disrupted for 3h 30m on August 17, 2026. 503Radar’s sensors raised the first signal at 13:54 UTC, 1h 28m before the official status page acknowledged impact.

Key facts

DetectedAugust 17, 2026 · 13:54 UTC
Confirmed15:23 UTC · lead time 1h 28m
Resolved17:24 UTC
Duration3h 30m
ServiceIssues & PRs
Official recordhttps://stspg.io/y1fl26l6wpzr

Timeline

  1. 13:54Z

    Detected · Signal

    5 crowd signals for Issues & PRs on GITHUB crossed the signal threshold.
  2. 15:23Z

    Confirmed · Official

    An official GITHUB status-page notice corroborated the event — 1h 28m after detection.
  3. 17:24Z

    Resolved

    Signal volume fell back below the threshold; the event was closed.

How this was detected

1 independent evidence class for issues-prs on GITHUB. 5 crowd reports across mastodon, telegram (below the anomaly threshold), z=+1.5σ vs the cell baseline. Official notice confirms it, 1h 28m after the crowd.