CVE-2026-0304 PUBLISHED

Cortex XDR Broker VM: Privilege Escalation Vulnerability

Assigner: palo_alto
Reserved: 03.11.2025 Published: 10.09.2026 Updated: 10.09.2026

A privilege escalation vulnerability in Palo Alto Networks Cortex XDR Broker VM enables an authenticated low privileged user with man-in-the-middle (MitM) access to execute code with root privileges on the Broker VM.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:A/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:U/AU:N/R:U/V:D/RE:M/U:Amber
CVSS Score: 4.8

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Adjacent	Confidentiality	High	Confidentiality	Low
Attack Complexity	Low	Integrity	High	Integrity	Low
Attack Requirements	Present	Availability	High	Availability	Low
Privileges Required	Low
User Interaction	None

CVSS 4.0

Product Status

Vendor	Palo Alto Networks
Product	Cortex XDR Broker VM
Versions	Default: unaffected affected from 20.0.96 to 32.0.52 (excl.)

Exploits

Palo Alto Networks is not aware of any malicious exploitation of this issue.

Credits

internal security research teams finder

References

https://security.paloaltonetworks.com/CVE-2026-0304

Problem Types

CWE-88 Improper Neutralization of Argument Delimiters in a Command ('Argument Injection') CWE

Impacts

CAPEC-126 Path Traversal