New AI Incident Response, Multi-Region Agents, and Custom-Domain Status Pages — May 2026
Monitor Features overview Vendor status Uptime & synthetic checks Certificate lifecycle Operate Incident management Live demo
By goal Replace your stack Why ServiceAlert Competitor comparisons Alternatives directory By signal Reliability hub   · Uptime rankings   · SLA compliance Outage map
Services
Check & scan SSL security grader Status checker DNS lookup Response time WHOIS lookup Calculators SLA calculator Downtime calculator Embed Status badges All tools →
Pricing
Guides Help center Uptime monitoring RUM & analytics Teams & shared monitors Developer API reference Status badges Learn Blog Outage reports FAQ Changelog
Dashboard
Tenable

Tenable Vulnerability Management: Plugins appearing as 'unknown' in GOV01

Major Impact Monitoring Ongoing April 29, 2026

Incident Lifecycle

Investigating Investigating Monitoring

Incident Timeline

Monitoring
A fix has been implemented and we are monitoring the results.
Apr 29, 2026 at 11:17 PM UTC
Investigating
We are continuing to investigate this issue.
Apr 29, 2026 at 8:59 PM UTC
Investigating
We are aware of and actively investigating Plugins appearing as 'unknown'. We will provide periodic updates as our engineers work on this issue.
Apr 29, 2026 at 8:16 PM UTC
Was your business affected by this Tenable outage?
Set up instant alerts for Tenable, be the first to know about outages via email, Slack, Teams, or Discord.
Set Up Alerts → View Tenable History

Similar Tenable Incidents

Tenable Vulnerability Management / Tenable One / Nessus: Vulnerability Scan Issues Related to DNS Resolution Major May 20, 2026 Tenable One - Exposure Management: Attack Path: Top Attack Paths Page Not Loading Major May 13, 2026 Tenable Vulnerability Management: New Domains added in MSSP Portal Not Propagating to Child Containers Major May 11, 2026 Vulcan Platform: Partial Service Disruption: Connector Triggers (EU) Major Apr 28, 2026 Tenable Cloud Security: Scan Delays for Oracle Cloud Infrastructure (OCI) Major Apr 28, 2026