CVE-2026-23599 Local Privilege Escalation Vulnerability in HPE Aruba Networking Clear Pass Policy Manager OnGuard for Linux
A local attacker can exploit this vulnerability to execute arbitrary code with root privileges on HPE Aruba ClearPass OnGuard for Linux.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-23599?
CVE-2026-23599 is a high-severity vulnerability in Hewlett Packard Enterprise (HPE) HPE Aruba Networking ClearPass Policy Manager, published on 17 Feb 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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.
Weakness: CWE-269
Which versions are affected by CVE-2026-23599?
How do I fix CVE-2026-23599?
No fix has been published for CVE-2026-23599 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-23599 being exploited?
There is no known exploitation of CVE-2026-23599 in the wild and no public exploit code.
Sources
Also known as GHSA-7jfh-hm8h-m5rq.