CVE-2026-0304: CWE-88 Improper Neutralization of Argument Delimiters in a Command ('Argument Injection') in Palo Alto Networks Cortex XDR Broker VM
CVE-2026-0304 is a medium severity privilege escalation vulnerability in Palo Alto Networks Cortex XDR Broker VM version 20.0.96. It allows an authenticated low privileged user with man-in-the-middle access to execute code with root privileges on the Broker VM. The vulnerability is due to improper neutralization of argument delimiters in a command (CWE-88). No patch or official remediation has been confirmed yet.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-0304) affects Palo Alto Networks Cortex XDR Broker VM version 20.0.96. It arises from improper neutralization of argument delimiters in commands, classified under CWE-88. An authenticated user with low privileges who can perform man-in-the-middle attacks can exploit this flaw to escalate privileges and execute code as root on the Broker VM. The CVSS 4.0 base score is 4.8, indicating medium severity. No known exploits are reported in the wild, and no official fix or patch has been published to date.
Potential Impact
An attacker with low privileged authenticated access and man-in-the-middle capabilities can escalate privileges to root on the Cortex XDR Broker VM, potentially leading to full system compromise of the Broker VM. This could undermine the security and integrity of the affected system.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict authenticated access and mitigate man-in-the-middle attack vectors where possible.
CVE-2026-0304: CWE-88 Improper Neutralization of Argument Delimiters in a Command ('Argument Injection') in Palo Alto Networks Cortex XDR Broker VM
Description
CVE-2026-0304 is a medium severity privilege escalation vulnerability in Palo Alto Networks Cortex XDR Broker VM version 20.0.96. It allows an authenticated low privileged user with man-in-the-middle access to execute code with root privileges on the Broker VM. The vulnerability is due to improper neutralization of argument delimiters in a command (CWE-88). No patch or official remediation has been confirmed yet.
CVSS v4.0
Score 4.8medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-0304) affects Palo Alto Networks Cortex XDR Broker VM version 20.0.96. It arises from improper neutralization of argument delimiters in commands, classified under CWE-88. An authenticated user with low privileges who can perform man-in-the-middle attacks can exploit this flaw to escalate privileges and execute code as root on the Broker VM. The CVSS 4.0 base score is 4.8, indicating medium severity. No known exploits are reported in the wild, and no official fix or patch has been published to date.
Potential Impact
An attacker with low privileged authenticated access and man-in-the-middle capabilities can escalate privileges to root on the Cortex XDR Broker VM, potentially leading to full system compromise of the Broker VM. This could undermine the security and integrity of the affected system.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict authenticated access and mitigate man-in-the-middle attack vectors where possible.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- palo_alto
- Date Reserved
- 2025-11-03T20:45:02.858Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6aa25043acd9273b49ac4baf
Added to database: 09/10/2026, 06:37:55 UTC
Last enriched: 09/10/2026, 06:53:53 UTC
Last updated: 09/10/2026, 07:16:16 UTC
Views: 4
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