GitHub outage — August 18, 2026
Intermittent failures in runner group and runner-related permissions pages
GitHub’s Multiple services was disrupted for 1h 00m on August 18, 2026. 503Radar’s sensors raised the first signal at 11:09 UTC, 28m 41s before the official status page acknowledged impact.
Key facts
| Detected | August 18, 2026 · 11:09 UTC |
| Confirmed | 11:38 UTC · lead time 28m 41s |
| Resolved | 12:09 UTC |
| Duration | 1h 00m |
| Service | Multiple services |
| Official record | https://stspg.io/98zqb1k9jh0x |
Timeline
- 11:09Z
Detected · Signal
14 crowd signals for Multiple services on GITHUB crossed the signal threshold. - 11:38Z
Confirmed · Official
An official GITHUB status-page notice corroborated the event — 28m 41s after detection. - 12:09Z
Resolved
Signal volume fell back below the threshold; the event was closed.
How this was detected
1 independent evidence class for Multiple services on GITHUB. 14 crowd reports across bluesky, hn_comments, mastodon (below the anomaly threshold), z=+2.2σ vs the cell baseline. Official notice confirms it, 28m 41s after the crowd.