Read the docs
TI-2026-01683 Aliases CVE-2026-2026GHSA-w7w9-2vjv-7r67

Improper Access Control Allows Denial of Service

Priority LOW 23CWE-276Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
Low · None · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

A vulnerability has been identified where weak file permissions in the Nessus Agent directory on Windows hosts could allow unauthorized access, potentially permitting Denial of Service (DoS) attacks.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00124 2nd percentileScored 2026-11-07
Fix Fixed Agent (Tenable): 11.1.2, 11.0.4

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
TenableAgent11.1.0 to before 11.1.2; before 11.0.411.1.2, 11.0.4Patch availableCNA
  • Agent VendorTenable Affected 11.1.0 to before 11.1.2; before 11.0.4 Fixed in 11.1.2, 11.0.4 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:tenable:nessus_agent:*:*:*:*:*:*:*:*before 11.0.4; 11.1.0 to before 11.1.2VulnerableTenable
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
  • cpe:2.3:a:tenable:nessus_agent:*:*:*:*:*:*:*:* Versions before 11.0.4; 11.1.0 to before 11.1.2 Vulnerable ·Tenable
  • cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft

Remediation

  • Fix · CNA Agent (Tenable) Fixed in 11.1.2, 11.0.4

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-2026
  2. 2026-10-03 Alias added: GHSA-w7w9-2vjv-7r67

References

Advisory 1

  • TI-2021-02414 CA certificate check bypass with X509_V_FLAG_X509_STRICT CVSS 3.1HIGH 7.4
  • TI-2026-12849 Tenable Agent Path Traversal Leading to Remote Code Execution CVSS 4.0CRITICAL 9.3
  • TI-2025-24922 Local privilege escalation in Tenable Agent CVSS 3.1HIGH 8.8
  • TI-2025-24920 Local privilege escalation in Tenable Agent CVSS 3.1HIGH 8.4
  • TI-2019-12154 In SQLite through 3.29.0, whereLoopAddBtreeIndex in sqlite3.c can crash a browser or… CVSS 3.1MEDIUM 6.5
  • TI-2025-24921 Local privilege escalation in Tenable Agent CVSS 3.1HIGH 7.8
See all 12 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences