503RADARINCIDENT ARCHIVEMETHODOLOGY
LIVE · CONFIRMED

Cloudflare outage — August 12, 2026

Email Security delivery impacted by Spamhaus listing

Cloudflare’s Multiple services has a confirmed disruption, detected on August 12, 2026. 503Radar’s sensors raised the first signal at 09:53 UTC, 5h 14m before the official status page acknowledged impact.

Key facts

DetectedAugust 12, 2026 · 09:53 UTC
Confirmed15:08 UTC · lead time 5h 14m
ServiceMultiple services
Official recordhttps://www.cloudflarestatus.com/incidents/fdyjr0t87mrb

Timeline

  1. 09:53Z

    Detected · Signal

    3 crowd signals for Multiple services on CLOUDFLARE crossed the signal threshold.
  2. 15:08Z

    Confirmed · Official

    An official CLOUDFLARE status-page notice corroborated the event — 5h 14m after detection.

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=+1.3σ vs the cell baseline. Official notice confirms it, 5h 14m after the crowd.