CVE-2026-23599: Local Privilege Escalation Vulnerability in HPE Aruba Networking Clear Pass Policy Manager OnGuard for Linux

Published Feb 17, 2026
·
Updated

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.

Affected Software

1 affected component
Hewlett Packard Enterprise Aruba Networking ClearPass OnGuard

Event History

Feb 17, 2026
CVE Published
via MITRE·11:04 PM
Data Sourced
via MITRE·11:04 PM
DescriptionSeverity
Feb 18, 2026
Data Sourced
via NVD·12:16 AM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2026-23599?

CVE-2026-23599 is classified as a local privilege escalation vulnerability.

2

How do I fix CVE-2026-23599?

To mitigate CVE-2026-23599, update your HPE Aruba Networking ClearPass OnGuard Software to the latest version provided by Hewlett Packard Enterprise.

3

Who is affected by CVE-2026-23599?

CVE-2026-23599 affects users of HPE Aruba Networking ClearPass OnGuard Software running on Linux.

4

What could happen if CVE-2026-23599 is exploited?

Exploitation of CVE-2026-23599 could allow an attacker to gain unauthorized elevated privileges on the affected system.

5

When was CVE-2026-23599 discovered?

CVE-2026-23599 was discovered recently, highlighting a critical vulnerability within HPE Aruba Networking ClearPass OnGuard.

Contact

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