CVE-2026-0304 - Vulnerability Details - OpenCVE

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.

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required Low

Attack Requirements Present

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact Low

Subsequent System Integrity Impact Low

Subsequent System Availability Impact Low

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Palo Alto Networks	Cortex Xdr Broker Vm

No data.

No data.

References

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

History

Thu, 10 Sep 2026 06:30:00 +0000

Type	Values Removed	Values Added
Description		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.
Title		Cortex XDR Broker VM: Privilege Escalation Vulnerability
First Time appeared		Palo Alto Networks Palo Alto Networks cortex Xdr Broker Vm
Weaknesses		CWE-88
CPEs		cpe:2.3:a:palo_alto_networks:cortex_xdr_broker_vm::::::::
Vendors & Products		Palo Alto Networks Palo Alto Networks cortex Xdr Broker Vm
References		https://security.paloaltonetworks.com/CVE-2026-0304
Metrics		cvssV4_0 `{'score': 4.8, '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'}`

MITRE

Status: PUBLISHED

Assigner: palo_alto

Published: 2026-09-10T06:02:24.553Z

Updated: 2026-09-10T06:02:24.553Z

Reserved: 2025-11-03T20:45:02.858Z

Link: CVE-2026-0304

Vulnrichment

No data.

NVD

Status : Received

Published: 2026-09-10T07:17:02.470

Modified: 2026-09-10T07:17:02.470

Link: CVE-2026-0304

Redhat

No data.

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