503RADARINCIDENT ARCHIVEMETHODOLOGY
RESOLVED

Cloudflare outage — August 27, 2026

Workers Builds are Degraded

Cloudflare’s Multiple services was disrupted for 3h 29m on August 27, 2026. 503Radar’s sensors raised the first signal at 19:54 UTC, 1h 28m before the official status page acknowledged impact.

Key facts

DetectedAugust 27, 2026 · 19:54 UTC
Confirmed21:23 UTC · lead time 1h 28m
Resolved23:24 UTC
Duration3h 29m
ServiceMultiple services
Official recordhttps://www.cloudflarestatus.com/incidents/yj2zk6n6rz1c

Timeline

  1. 19:54Z

    Detected · Signal

    3 crowd signals for Multiple services on CLOUDFLARE crossed the signal threshold.
  2. 21:23Z

    Confirmed · Official

    An official CLOUDFLARE status-page notice corroborated the event — 1h 28m after detection.
  3. 23:24Z

    Resolved

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

How this was detected

1 independent evidence class for Multiple services on CLOUDFLARE. 3 crowd reports across bluesky (single platform — not corroborating), z=-0.1σ vs the cell baseline. Official notice confirms it, 1h 28m after the crowd.