503RADARINCIDENT ARCHIVEMETHODOLOGY
RESOLVED

Cloudflare outage — August 17, 2026

Cloudflare Lists Bulk Actions failing

Cloudflare’s Multiple services was disrupted for 4h 30m on August 17, 2026. 503Radar’s sensors raised the first signal at 08:24 UTC, 3h 29m before the official status page acknowledged impact.

Key facts

DetectedAugust 17, 2026 · 08:24 UTC
Confirmed11:53 UTC · lead time 3h 29m
Resolved12:54 UTC
Duration4h 30m
ServiceMultiple services
Official recordhttps://www.cloudflarestatus.com/incidents/2hxsrlmxlf5h

Timeline

  1. 08:24Z

    Detected · Signal

    3 crowd signals for Multiple services on CLOUDFLARE crossed the signal threshold.
  2. 11:53Z

    Confirmed · Official

    An official CLOUDFLARE status-page notice corroborated the event — 3h 29m after detection.
  3. 12:54Z

    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, hn_comments (below the anomaly threshold), z=+0.4σ vs the cell baseline. Official notice confirms it, 3h 29m after the crowd.