Outages and root causes.

Two years of public outages, and what each company said caused them. Every entry links to the company's own write-up; nothing here is our speculation.

Status pages re-read just now

Incidents listed

By month, last two years · Tenable

Peak 10 · September 2026

Incidents listed: 41; Last two years
Official write-ups: 0; Linked from the incident
Major outages: 5; As graded by each company
Services: 1; With at least one entry

From the status pages

With a published RCA Partial and major outages Both

Tenable · Tenable Cloud Security: Customers Site Access Issues (USGov1)
Major outage · Nov 9, 2026 · 5 h 55 min
Incident report (opens in a new tab)
Tenable · Tenable Vulnerability Management: Delay in Findings
Partial outage · Nov 4, 2026 · 2 d 7 h
Incident report (opens in a new tab)
Tenable · Tenable Cloud Security: Sync delays
Partial outage · Nov 2, 2026 · 21 h 24 min
Incident report (opens in a new tab)
Tenable · Tenable Vulnerability Management: Scheduled Scans Not Launching
Partial outage · Oct 21, 2026 · 2 d 22 h
Incident report (opens in a new tab)
Tenable · Tenable Cloud Security: Service Degradation on All Sites
Partial outage · Oct 17, 2026 · 2 h 26 min
Incident report (opens in a new tab)
Tenable · Tenable One: Delay in Tenable Exposure Management data
Partial outage · Oct 14, 2026 · 2 d 5 h
Incident report (opens in a new tab)
Tenable · Tenable Patch management: Possible GUI slowness along with 502/503 Errors Observed
Partial outage · Oct 12, 2026 · 2 d 0 h
Incident report (opens in a new tab)
Tenable · Tenable Vulnerability Management: Scan processing and Explore Findings and Asset pages delays
Partial outage · Oct 12, 2026 · 3 h 39 min
Incident report (opens in a new tab)
Tenable · Tenable Patch management: Possible GUI slowness along with 502/503 Errors Observed
Partial outage · Oct 8, 2026 · 3 d 14 h
Incident report (opens in a new tab)
Tenable · Tenable Vulnerability Management: Scheduled Scans Not Launching
Partial outage · Oct 8, 2026 · 13 h 16 min
Incident report (opens in a new tab)
Tenable · Tenable Vulnerability Management: RBAC Permissions Issue with Custom Roles
Partial outage · Oct 6, 2026 · 6 d 9 h
Incident report (opens in a new tab)
Tenable · Tenable Vulnerability Management: Performance Degradation & Intermittent Unavailability (Gov01)
Partial outage · Oct 5, 2026 · 6 h 53 min
Incident report (opens in a new tab)
Tenable · Tenable Vulnerability Management: Scan Processing Delays
Partial outage · Sep 25, 2026 · 5 d 6 h
Incident report (opens in a new tab)
Tenable · Tenable Vulnerability Management: Recast Rule Delays
Partial outage · Sep 23, 2026 · 12 d 23 h
Incident report (opens in a new tab)
Tenable · Tenable Cloud Security: Orchestration Failures in the USGov01 Environment
Major outage · Sep 19, 2026 · 1 d 1 h
Incident report (opens in a new tab)
Tenable · Tenable One: Azure Cloud Connector Ingestion Issues
Partial outage · Sep 18, 2026 · 1 h 24 min
Incident report (opens in a new tab)
Tenable · Vulcan Platform: Connector Normalization Failure (EU)
Partial outage · Sep 15, 2026 · 9 d 4 h
Incident report (opens in a new tab)
Tenable · Tenable One: Users may experience login issues
Partial outage · Sep 9, 2026 · 19 h 52 min
Incident report (opens in a new tab)
Tenable · Tenable Vulnerability Management - Scheduled Web Application Scans Failing to Start
Partial outage · Sep 2, 2026 · 9 h 32 min
Incident report (opens in a new tab)
Tenable · Tenable Vulnerability Management: Scheduled Scan Delays
Partial outage · Sep 2, 2026 · 1 d 2 h
Incident report (opens in a new tab)
Tenable · Tenable Cloud Security: Scan issues affecting Linux machines
Partial outage · Sep 2, 2026 · 21 h 44 min
Incident report (opens in a new tab)
Tenable · Tenable Cloud Security: UI/API Slowness
Partial outage · Sep 1, 2026 · 16 h 34 min
Incident report (opens in a new tab)
Tenable · Tenable Cloud Security: Delay in Azure Sync (All Sites)
Partial outage · Aug 31, 2026 · 1 d 3 h
Incident report (opens in a new tab)
Tenable · Tenable Vulnerability Management: Scheduled Scan Delays
Partial outage · Aug 31, 2026 · 12 h 54 min
Incident report (opens in a new tab)
Tenable · Tenable Cloud Security: Sync delays
Partial outage · Aug 26, 2026 · 1 d 18 h
Incident report (opens in a new tab)
Tenable · Tenable Vulnerability Management: Login Issues (US-1A)
Partial outage · Aug 12, 2026 · 18 h 18 min
Incident report (opens in a new tab)
Tenable · Tenable One - Exposure Management: Hexa AI Inaccessible
Major outage · Jul 20, 2026 · 15 min
Incident report (opens in a new tab)
Tenable · Tenable One, Tenable VM: Login issues in Fedcloud
Major outage · Jul 8, 2026 · 8 h 23 min
Incident report (opens in a new tab)
Tenable · Lumin Recommended Actions / CES N/A
Partial outage · Jul 1, 2026 · 21 h 27 min
Incident report (opens in a new tab)
Tenable · Tenable Vulnerability Management: Assets fail to load in VM - Explore on CA02
Partial outage · Jun 24, 2026 · 16 min
Incident report (opens in a new tab)
Tenable · Tenable Cloud Security: Login Issues (US1)
Partial outage · Jun 23, 2026 · 14 h 30 min
Incident report (opens in a new tab)
Tenable · Tenable Web Application Scanning: Issues with Scan Launch and Credential Management for Certain Users
Partial outage · Jun 16, 2026 · 1 d 1 h
Incident report (opens in a new tab)
Tenable · Tenable Vulnerability Management: Menus not loading
Major outage · Jun 10, 2026 · 1 h 11 min
Incident report (opens in a new tab)
Tenable · Tenable Vulnerability Management: Unable to View or Create Scans in US-2A/US08
Partial outage · Jun 5, 2026 · 2 d 19 h
Incident report (opens in a new tab)
Tenable · Tenable Vulnerability Management: Unable to View or Create Scans in US-2A
Partial outage · Jun 5, 2026 · 3 h 32 min
Incident report (opens in a new tab)
Tenable · Tenable One : Stale Cloud Security Data and Licensed Asset Count in Tenable One
Partial outage · Jun 4, 2026 · 7 h 5 min
Incident report (opens in a new tab)
Tenable · Tenable Vulnerability Management: Scan Processing Delays
Partial outage · May 31, 2026 · 2 d 10 h
Incident report (opens in a new tab)
Tenable · WAS issues - OpenAPI file validation error
Partial outage · May 28, 2026 · 2 h 15 min
Incident report (opens in a new tab)
Tenable · Tenable Vulnerability Management / Tenable One / Nessus: Vulnerability Scan Issues Related to DNS Resolution
Partial outage · May 20, 2026 · 16 h 49 min
Incident report (opens in a new tab)
Tenable · Tenable One - Exposure Management: Attack Path: Top Attack Paths Page Not Loading
Partial outage · May 13, 2026 · 4 h 1 min
Incident report (opens in a new tab)
Tenable · Tenable Vulnerability Management: New Domains added in MSSP Portal Not Propagating to Child Containers
Partial outage · May 11, 2026 · 2 h 40 min
Incident report (opens in a new tab)

Who publishes root causes

Write-ups posted on status pages, last two years

Public information only

Everything on this page was already published by the companies themselves or by public bodies. statuswall gathers it in one place, links every item to its original, and adds nothing from private or leaked sources.

Sources

Official status pages: incident titles, severity, times and the link to each published root-cause analysis, exactly as each company posted them
Company engineering blogs and incident reports: the basis for the notable-outage summaries, each linked from its card

How fresh it is

Incidents and RCA links: re-read from every status page about once an hour; last run just now
Notable-outage summaries: written by hand and last checked against their sources on Nov 10, 2026

Titles, severity and times are as published on each company's status page. "Published RCA" means the company posted a postmortem on that incident's official page; we link to it and do not reproduce it. Many companies publish root causes on a blog instead, or not at all, so the absence of a link is not evidence that no analysis exists. Severity grading differs between companies and is not comparable across them. This is not a complete record of every outage.

statuswall is independent and is not affiliated with, sponsored by or endorsed by any company named here. Company and product names are used only to identify whose public information is being referred to. The information is provided as is, for general reference, with no guarantee that it is complete, current or free of error; it is not security, legal or purchasing advice. Where this page and an official source differ, the official source is right.