CVE-2026-2026

Improper Access Control Allows Denial of Service

State: Published
Severity: 5.4 Medium
Published: Feb 13, 2026
Updated: Feb 13, 2026
Reserved: Feb 5, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
4.0	5.4 Medium	CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:P	tenable
3.1	6.1 Medium	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H	tenable

Weaknesses

CWE-276 Incorrect Default Permissions

Affected Products

Product	Versions
AgentTenable	11.1.0 to before 11.1.2Affected before 11.0.4Affected

References

https://www.tenable.com/security/tns-2026-05

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.