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Tenable

Reported by the vendor · tracked by PulseWatch

Auto-drafted postmortem

Tenable: vendor-reported major incident on September 23 (tracked 3d 0h)

Sep 23, 04:02 PM → Sep 26, 04:02 PM · 3d 0h · high

Tenable reported a major-impact incident on its own status page. PulseWatch followed the vendor's status page and did not independently confirm the incident. PulseWatch tracked the incident for 3d 0h, from Wed, 23 Sep 2026 16:02:37 GMT to Sat, 26 Sep 2026 16:02:44 GMT. That is how long PulseWatch kept the incident open, not a measurement of how long the service was affected.

Duration
3d 0h
tracked by PulseWatch

Impact

This incident involved a high-severity disruption to Tenable services over a period of three days. The service experienced an outage starting on September 23, 2026, and was resolved on September 26, 2026. During this period, automated monitoring indicated a significant impact on the service's availability. No user-reported data was collected for this incident.

Incident timeline

  1. Sep 23, 04:02 PM

    The vendor reported a major-impact incident on its own status page; PulseWatch began tracking it

  2. Sep 24, 05:36 AM

    Status updated: possible issue

  3. Sep 26, 04:02 PM

    PulseWatch closed the incident

Official updates

  1. Sep 23, 04:02 PM

    Tenable reported the incident on its status page.

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