OS Command Injection in Palo Alto PAN-OS - CVE-2026-0261
Published: May 19, 2026
Vulnerability identifier: #VU131775
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-0261
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Palo Alto Networks, Inc.
Affected software:
Palo Alto PAN-OS
Palo Alto PAN-OS
Detailed vulnerability description
The vulnerability allows a remote user to execute arbitrary commands as root.
The vulnerability exists due to command injection in the PAN-OS CLI or Web UI when processing administrator-supplied input. A remote privileged user can send crafted input to execute arbitrary commands as root.
Exploitation requires access to the PAN-OS CLI or Web UI.
How to mitigate CVE-2026-0261
Install security update from vendor's website.