Aruba ClearPass Policy Manager 6.11.x < 6.11.13 / 6.12.x < 6.12.7 Local Privilege Escalation (CVE-2026-23599)

high Nessus Plugin ID 299675

Synopsis

The remote application is affected by a local privilege escalation vulnerability.

Description

The version of Aruba ClearPass Policy Manager installed on the remote host is prior to 6.11.13 or 6.12.7. It is, therefore, affected by a local privilege escalation vulnerability as referenced in the HPESBNW05012 advisory.

- A local privilege-escalation vulnerability has been discovered in the HPE Aruba Networking ClearPass OnGuard Software for Linux. Successful exploitation of this vulnerability could allow a local attacker to achieve arbitrary code execution with root privileges. (CVE-2026-23599)

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 version 6.11.13 / 6.12.7 or later.

Plugin Details

Severity: High

ID: 299675

File Name: aruba_clearpass_polman_cve_2026_23599.nasl

Version: 1.1

Type: local

Agent: unix

Family: CGI abuses

Published: 2/20/2026

Updated: 2/20/2026

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.8

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

CVSS Score Source: CVE-2026-23599

CVSS v3

Risk Factor: High

Base Score: 7.8

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

Vulnerability Information

CPE: cpe:/a:arubanetworks:clearpass

Required KB Items: Host/Aruba_Clearpass_Policy_Manager/version

Patch Publication Date: 2/17/2026

Vulnerability Publication Date: 2/17/2026

Reference Information

CVE: CVE-2026-23599

IAVA: 2026-A-0163

Detections

Analytics