Detections
Analytics

Nessus Manager < 10.10.3 / 10.11.0 < 10.11.3 Path Traversal (TNS-2026-08)

high Nessus Plugin ID 313025

Synopsis

An instance of Nessus installed on the remote system is affected by an path traversal vulnerability.

Description

According to its self-reported version, the Nessus Manager application running on the remote host is prior to 10.10.3, prior to 10.11.3. It is, therefore, affected by an path traversal vulnerability as referenced in the TNS-2026-08 advisory.

 - A path traversal vulnerability exists in Nessus Manager where an authenticated, remote attacker could read arbitrary OS system files. (CVE-2026-3493)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to Tenable Nessus 10.10.3, 10.11.3 or later.

See Also

https://www.tenable.com/security/tns-2026-08

Plugin Details

Severity: High

ID: 313025

File Name: nessus_TNS-2026-08.nasl

Version: 1.1

Type: Combined

Agent: windows, macosx, unix

Family: Misc.

Published: 5/7/2026

Updated: 5/7/2026

Configuration: Enable thorough checks (optional)

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:N/A:N

CVSS Score Source: CVE-2026-3493

CVSS v3

Risk Factor: High

Base Score: 7.7

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

CVSS v4

Risk Factor: High

Base Score: 8.3

Threat Score: 7

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N

Vulnerability Information

CPE: cpe:/a:tenable:nessus

Required KB Items: installed_sw/Tenable Nessus

Patch Publication Date: 3/3/2026

Vulnerability Publication Date: 3/3/2026

Reference Information

CVE: CVE-2026-3493