CVE-2026-2026 | BDVDB-2026-315337 Detail

TenableAgent

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.

Impact#

Per CVSS v3.1: confidentiality impact low, integrity impact none, availability impact high. Attack vector: local.

Weaknesses#

CWE-276 Incorrect Default Permissions

References#

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

Exploit#

No public exploit known

History#

Version 12026-02-13Record published in the CVE List.

Published

Published: 2026-02-13
Last modified: 2026-02-13

Vendor information

Vendor: Tenable
Product: Agent

All Tenable vulnerabilities

Score

6.1 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 2.4.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Incorrect Permissions

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= 11.1.0 and < 11.1.2
Fixed
11.1.2
Vulnerable
< 11.0.4
Fixed
11.0.4

Scoring System

CVSS v4.0

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

Metric breakdown
Attack Vector	Local
Attack Complexity	Low
Attack Requirements	None
Privileges Required	Low
User Interaction	None
Vulnerable System Confidentiality	Low
Vulnerable System Integrity	None
Vulnerable System Availability	High
Subsequent System Confidentiality	None
Subsequent System Integrity	None
Subsequent System Availability	None

CVSS v3.1

6.1 Medium

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H

Metric breakdown
Attack Vector	Local
Attack Complexity	Low
Privileges Required	Low
User Interaction	None
Scope	Unchanged
Confidentiality	Low
Integrity	None
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).