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Tracked by PulseWatch

Auto-drafted postmortem

Cloudflare outage on September 17 A 14h 30m disruption

Sep 17, 09:00 AM → Sep 17, 11:30 PM · 14h 30m · medium

On September 17, Cloudflare experienced an incident that was detected by PulseWatch, a third-party outage monitoring platform. The incident began at 09:00:37 UTC and was resolved at 23:30:41 UTC on the same day.

Duration
14h 30m
tracked by PulseWatch

Impact

This incident affected Cloudflare services for a duration of 14 hours and 30 minutes, from 09:00:37 UTC to 23:30:41 UTC. The severity of the incident was classified as medium. PulseWatch did not collect any user-report data for this incident, as it was detected through automated signals and the vendor's own status page.

Incident timeline

  1. Sep 17, 09:00 AM

    PulseWatch detected the incident from automated vendor and probe signals (medium severity)

  2. Sep 17, 09:00 AM

    Status updated: possible issue

  3. Sep 17, 11:30 PM

    Signals cleared — incident resolved

Official updates

  1. Sep 17, 09:00 AM

    Cloudflare status page acknowledged the incident.

    View official source
Draft auto-generated by PulseWatch when the incident resolved. Based on the sources listed above.
This postmortem was auto-generated from PulseWatch's record of the incident. · Model: gemini-2.5-flash