Tenable incident

Tenable Vulnerability Management / Tenable One / Nessus: Vulnerability Scan Issues Related to DNS Resolution

Major Ongoing View vendor source →

Tenable is currently experiencing a major incident affecting AP-SYD-1 and BR01 and 1 more component, which began 2h ago. The vendor's full update timeline is below.

Started
May 20, 2026, 07:07 PM UTC
Resolved
Ongoing
Duration
● 2h 2m
Detected by Pingoru
May 20, 2026, 07:07 PM UTC

Affected components

AP-SYD-1BR01singCA01us-1aFRAus-2aIN01us-2bJP01

Update timeline

  1. investigating May 20, 2026, 07:07 PM UTC

    We are aware of and actively investigating issues with DNS resolution failures for checks related to log4j plugins for certain users. We will provide periodic updates as our engineers continue working on this issue.

  2. identified May 20, 2026, 07:53 PM UTC

    We have identified the cause of the problem. Our engineering team is working to implement a fix for the issue.

  3. monitoring May 20, 2026, 08:58 PM UTC

    We have implemented a fix for the issue and are monitoring the recovery.