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Tenable Outage History

Every past Tenable outage tracked by IsDown, with detection times, duration, and resolution details.

There were 416 Tenable outages since August 2022. The 92 outages from the last 12 months are summarized below, with incident details, duration, and resolution information.

Major April 15, 2026

April 2026: Tenable One - Exposure Management: ASM Access Issues

Detected Apr 15, 2026 9:34 AM EDT · Resolved Apr 15, 2026 10:16 AM EDT · Duration 42 minutes

Tenable One customers experienced issues accessing the ASM (Attack Surface Management) tile within the platform for 42 minutes. The engineering team identified the root cause and implemented a fix to restore normal functionality. The incident has been fully resolved.

Major April 14, 2026

April 2026: Tenable Vulnerability Management: Unable to export older reports

Detected Apr 14, 2026 2:14 AM EDT · Resolved Apr 14, 2026 6:51 AM EDT · Duration about 5 hours

Tenable Vulnerability Management experienced a major incident where certain users were unable to export older reports across multiple global instances including US, European, and Asia-Pacific regions. The export functionality issue affected users for 4.6 hours before engineers successfully resolved the problem. The incident impacted 17 different Tenable instances worldwide, disrupting report export capabilities for affected customers.

Minor March 31, 2026

March 2026: Tenable Vulnerability Management: Scan Processing Delays and Instability (US5A)

Detected Mar 31, 2026 12:45 PM EDT · Resolved Apr 1, 2026 9:48 AM EDT · Duration about 21 hours

Tenable Vulnerability Management experienced scan processing delays and stability issues affecting scan processing and execution for users in the US-5A region. The incident lasted 21.1 hours before engineers implemented a fix and confirmed resolution. Users experienced disruptions to their vulnerability scanning operations during this period.

Major March 30, 2026

March 2026: Tenable Cloud Security: Delay in Sync

Detected Mar 30, 2026 4:07 AM EDT · Resolved Mar 31, 2026 3:22 AM EDT · Duration about 23 hours

Tenable Cloud Security experienced a major incident where sync operations were significantly delayed, impacting certain users for 23.3 hours. The engineering team identified the root cause and implemented a fix to restore normal sync functionality. The issue was fully resolved with sync operations returning to normal.

Major March 26, 2026

March 2026: Tenable Vulnerability Management: Scan Processing Delays (US2A,US5A,US08)

Detected Mar 26, 2026 1:10 AM EDT · Resolved Mar 28, 2026 3:28 PM EDT · Duration 3 days

Tenable Vulnerability Management experienced scan processing delays that impacted scan times for users on the US-2A and US-5A components. The major incident lasted 62.3 hours before engineers implemented a fix and confirmed resolution. The service disruption affected vulnerability scanning operations across multiple US data centers.

Major March 25, 2026

March 2026: Tenable Vulnerability Management: Performance Degradation in Scan Management on US08

Detected Mar 25, 2026 5:47 AM EDT · Resolved Mar 28, 2026 3:28 PM EDT · Duration 3 days

Tenable Vulnerability Management experienced performance degradation affecting scan management functionality on the US08 infrastructure for 81.7 hours. The issue impacted users' ability to effectively manage vulnerability scans during this period. Engineering teams implemented a fix and monitored recovery before fully resolving the incident.

Major March 24, 2026

March 2026: Errors encountered while using Asset/Search functions

Detected Mar 24, 2026 10:47 AM EDT · Resolved Mar 24, 2026 2:49 PM EDT · Duration about 4 hours

Tenable experienced a major service incident where customers encountered errors when using Asset/Search functions across multiple global data centers including US, European, Asian, and other regional components. The issue lasted 4 hours before engineers identified the root cause, implemented a fix, and fully resolved the problem. All affected components were restored to normal operation after a brief monitoring period to ensure stability.

Major March 19, 2026

March 2026: Elevated error rates

Detected Mar 19, 2026 12:54 PM EDT · Resolved Mar 19, 2026 2:10 PM EDT · Duration about 1 hour

Tenable experienced elevated error rates that affected service functionality for 1.3 hours. The engineering team identified the root cause and implemented a fix. The issue was resolved and service returned to normal operation.

Major March 18, 2026

March 2026: Tenable Vulnerability Management: API Degradation

Detected Mar 18, 2026 12:43 AM EDT · Resolved Mar 18, 2026 10:48 AM EDT · Duration about 10 hours

Tenable Vulnerability Management experienced API degradation affecting asset bulk-jobs endpoints across multiple global regions for 10.1 hours. The issue impacted certain users' ability to perform bulk asset operations through the API. Engineers identified the root cause, implemented a fix, and fully resolved the service disruption.