OTPulse

Cortex XDR Broker VM: Privilege Escalation (PE) Vulnerability

MonitorCVSS 4.8CVE-2026-0276Jul 8, 2026
Palo Alto Networks
IT in OT - Palo Alto firewalls are commonly deployed at IT/OT network boundaries
Summary

A privilege escalation vulnerability in Palo Alto Networks Cortex XDR Broker VM (versions below 31.0.58) allows a locally authenticated user to perform actions with root privileges. The vulnerability requires local shell access and an authenticated user account on the appliance.

What this means
What could happen
A user with local access to the Cortex XDR Broker VM could gain root-level control, potentially allowing them to modify security configurations, access sensitive data, or disrupt monitoring and threat detection capabilities.
Who's at risk
This affects organizations running Palo Alto Networks Cortex XDR Broker VMs as part of their security monitoring and threat detection infrastructure. Water utilities and electric utilities using Cortex XDR for security operations center (SOC) monitoring should prioritize this if their environment includes OT-connected networks.
How it could be exploited
An attacker with local shell access to the Cortex XDR Broker VM (via SSH or console) could exploit the privilege escalation vulnerability to execute commands as root, gaining full control of the appliance.
Prerequisites
  • Local shell access to the Cortex XDR Broker VM (SSH, console, or application account)
  • Authenticated user account on the appliance
Local authentication requiredLow CVSS score (4.8)
Exploitability
Unlikely to be exploited — EPSS score 0.1%
Affected products (1)
ProductAffected VersionsFix Status
Cortex XDR Broker VMBelow 31.0.5831.0.58+
Remediation & Mitigation
0/3
Do now
0/2
HARDENINGRestrict local shell access to the Cortex XDR Broker VM to trusted administrative staff only
HARDENINGEnforce strong authentication (SSH key-based auth, disable password login) for all local access to the appliance
Schedule — requires maintenance window
0/1

Patching may require device reboot — plan for process interruption

HOTFIXUpdate Cortex XDR Broker VM to version 31.0.58 or later
View full vendor advisory
API: /api/v1/advisories/2e95b870-35bb-4bd6-a76c-d3d880e9cc43

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