CVE-2026-79799 Cross-site scripting in ClearPass Policy Manager (CPPM)
Unauthenticated attackers can inject scripts into the ClearPass Policy Manager interface, potentially compromising administrative sessions.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-79799?
CVE-2026-79799 is a high-severity cross-site scripting vulnerability in Hewlett Packard Enterprise (HPE) ClearPass Policy Manager (CPPM), published on 6 Oct 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A vulnerability in the web-based management interface of ClearPass Policy Manager could allow an unauthenticated remote attacker to conduct a stored cross-site scripting (XSS) attack against an administrative user of the interface. A successful exploit could allow an attacker to execute arbitrary script code in a victim's browser in the context of the affected interface.
Weakness: CWE-79
Which versions are affected by CVE-2026-79799?
How do I fix CVE-2026-79799?
No fix has been published for CVE-2026-79799 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-79799 being exploited?
There is no known exploitation of CVE-2026-79799 in the wild and no public exploit code.
Sources
Also known as GHSA-m27g-wj58-2ppf.