Major incident

Tenable: WAS issues - OpenAPI file validation error

Affected: US-1A, US-2A, US-2B, US-3A, US-4A, US-5A, US07, US08, AP-SYD-1, BR01, CA01, FRA, IN01, JP01, UK-LON-1, SING

Current status of Tenable: Partial outage — live Tenable status

Timeline

1. May 28, 2026, 13:46 UTC
   investigating
   We are aware of and actively investigating file validation errors that are impacting WAS API scans for certain users. We will provide periodic updates as our engineers continue working on this issue.
2. May 28, 2026, 13:47 UTC
   identified
   The issue has been identified and a fix is being implemented.
3. May 28, 2026, 16:02 UTC
   resolved
   This incident has been resolved.

Updates as published by Tenable (original).