CVE-2026-0231 Cortex XDR Broker VM: Sensitive Information Disclosure Vulnerability

Medium 5.7 Published Updated

An authenticated attacker with network access can disclose and modify sensitive configuration data via the Cortex UI.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-0231?

CVE-2026-0231 is a medium-severity vulnerability in Palo Alto Networks Cortex XDR Broker VM, published on 11 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An information disclosure vulnerability in Palo Alto Networks Cortex XDR® Broker VM allows an authenticated user to obtain and modify sensitive information by triggering live terminal session via Cortex UI and modifying any configuration setting.  The attacker must have network access to the Broker VM to exploit this issue.

Weakness: CWE-497

Which versions are affected by CVE-2026-0231?

How do I fix CVE-2026-0231?

No fix has been published for CVE-2026-0231 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-0231 being exploited?

There is no known exploitation of CVE-2026-0231 in the wild and no public exploit code.

Sources

Also known as GHSA-rmfr-hr4x-h343.

Is CVE-2026-0231 in your software?

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