Vulnerability Database

383,371

Total vulnerabilities in the database

CVE-2026-0261 — paloaltonetworks / pan-os

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Multiple command injection vulnerabilities in Palo Alto Networks PAN-OS® software enable an authenticated administrator to bypass system restrictions and run arbitrary commands as a root user. To be able to exploit this issue, the user must have access to the PAN-OS CLI or Web UI.

The security risk posed by this issue is significantly minimized when CLI access is restricted to a limited group of administrators and by restricting access to the management web interface to only trusted internal IP addresses according to our recommended best practice deployment guidelines https://live.paloaltonetworks.com/t5/community-blogs/tips-amp-tricks-how-to-secure-the-management-access-of-your-palo/ba-p/464431 .

This issue is applicable to PAN-OS software on PA-Series and VM-Series firewalls and on Panorama (virtual and M-Series).

Cloud NGFW and Prisma Access® are not impacted by these vulnerabilities.

  • Published: May 13, 2026
  • Updated: Sep 13, 2026
  • CVE: CVE-2026-0261
  • Severity: High
  • Exploit:
  • CISA KEV:

CVSS v3:

  • Severity: High
  • Score: 7.2
  • AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CWEs:

OWASP TOP 10:

Software Affected versions
paloaltonetworks / pan-os < 10.2.7
paloaltonetworks / pan-os >= 10.2.8, < 10.2.10
paloaltonetworks / pan-os >= 10.2.11, < 10.2.13
paloaltonetworks / pan-os >= 10.2.14, < 10.2.16
paloaltonetworks / pan-os >= 11.1.0, < 11.1.4
paloaltonetworks / pan-os >= 11.1.5, < 11.1.6
paloaltonetworks / pan-os >= 11.1.8, < 11.1.10
paloaltonetworks / pan-os >= 11.1.11, < 11.1.13
paloaltonetworks / pan-os >= 11.2.0, < 11.2.4
paloaltonetworks / pan-os >= 11.2.5, < 11.2.7
paloaltonetworks / pan-os >= 11.2.8, < 11.2.10
paloaltonetworks / pan-os >= 12.1.0, < 12.1.4
paloaltonetworks / pan-os >= 12.1.5, < 12.1.7
paloaltonetworks / pan-os = 10.2.7
paloaltonetworks / pan-os = 10.2.7-h1
paloaltonetworks / pan-os = 10.2.7-h10
paloaltonetworks / pan-os = 10.2.7-h11
paloaltonetworks / pan-os = 10.2.7-h12
paloaltonetworks / pan-os = 10.2.7-h13
paloaltonetworks / pan-os = 10.2.7-h14
paloaltonetworks / pan-os = 10.2.7-h15
paloaltonetworks / pan-os = 10.2.7-h16
paloaltonetworks / pan-os = 10.2.7-h17
paloaltonetworks / pan-os = 10.2.7-h18
paloaltonetworks / pan-os = 10.2.7-h19
paloaltonetworks / pan-os = 10.2.7-h2
paloaltonetworks / pan-os = 10.2.7-h20
paloaltonetworks / pan-os = 10.2.7-h21
paloaltonetworks / pan-os = 10.2.7-h22
paloaltonetworks / pan-os = 10.2.7-h23
paloaltonetworks / pan-os = 10.2.7-h24
paloaltonetworks / pan-os = 10.2.7-h3
paloaltonetworks / pan-os = 10.2.7-h32
paloaltonetworks / pan-os = 10.2.7-h4
paloaltonetworks / pan-os = 10.2.7-h5
paloaltonetworks / pan-os = 10.2.7-h6
paloaltonetworks / pan-os = 10.2.7-h7
paloaltonetworks / pan-os = 10.2.7-h8
paloaltonetworks / pan-os = 10.2.7-h9
paloaltonetworks / pan-os = 10.2.10
paloaltonetworks / pan-os = 10.2.10-h1
paloaltonetworks / pan-os = 10.2.10-h10
paloaltonetworks / pan-os = 10.2.10-h11
paloaltonetworks / pan-os = 10.2.10-h12
paloaltonetworks / pan-os = 10.2.10-h13
paloaltonetworks / pan-os = 10.2.10-h14
paloaltonetworks / pan-os = 10.2.10-h17
paloaltonetworks / pan-os = 10.2.10-h18
paloaltonetworks / pan-os = 10.2.10-h2
paloaltonetworks / pan-os = 10.2.10-h21
paloaltonetworks / pan-os = 10.2.10-h27
paloaltonetworks / pan-os = 10.2.10-h3
paloaltonetworks / pan-os = 10.2.10-h30
paloaltonetworks / pan-os = 10.2.10-h31
paloaltonetworks / pan-os = 10.2.10-h4
paloaltonetworks / pan-os = 10.2.10-h5
paloaltonetworks / pan-os = 10.2.10-h6
paloaltonetworks / pan-os = 10.2.10-h7
paloaltonetworks / pan-os = 10.2.10-h8
paloaltonetworks / pan-os = 10.2.13
paloaltonetworks / pan-os = 10.2.13-h1
paloaltonetworks / pan-os = 10.2.13-h10
paloaltonetworks / pan-os = 10.2.13-h15
paloaltonetworks / pan-os = 10.2.13-h16
paloaltonetworks / pan-os = 10.2.13-h18
paloaltonetworks / pan-os = 10.2.13-h2
paloaltonetworks / pan-os = 10.2.13-h3
paloaltonetworks / pan-os = 10.2.13-h4
paloaltonetworks / pan-os = 10.2.13-h5
paloaltonetworks / pan-os = 10.2.13-h7
paloaltonetworks / pan-os = 10.2.16
paloaltonetworks / pan-os = 10.2.16-h1
paloaltonetworks / pan-os = 10.2.16-h4
paloaltonetworks / pan-os = 10.2.16-h6
paloaltonetworks / pan-os = 10.2.17
paloaltonetworks / pan-os = 10.2.18
paloaltonetworks / pan-os = 10.2.18-h1
paloaltonetworks / pan-os = 10.2.18-h5
paloaltonetworks / pan-os = 11.1.4
paloaltonetworks / pan-os = 11.1.4-h1
paloaltonetworks / pan-os = 11.1.4-h10
paloaltonetworks / pan-os = 11.1.4-h11
paloaltonetworks / pan-os = 11.1.4-h12
paloaltonetworks / pan-os = 11.1.4-h13
paloaltonetworks / pan-os = 11.1.4-h15
paloaltonetworks / pan-os = 11.1.4-h16
paloaltonetworks / pan-os = 11.1.4-h17
paloaltonetworks / pan-os = 11.1.4-h18
paloaltonetworks / pan-os = 11.1.4-h2
paloaltonetworks / pan-os = 11.1.4-h25
paloaltonetworks / pan-os = 11.1.4-h27
paloaltonetworks / pan-os = 11.1.4-h3
paloaltonetworks / pan-os = 11.1.4-h32
paloaltonetworks / pan-os = 11.1.4-h4
paloaltonetworks / pan-os = 11.1.4-h5
paloaltonetworks / pan-os = 11.1.4-h6
paloaltonetworks / pan-os = 11.1.4-h7
paloaltonetworks / pan-os = 11.1.4-h8
paloaltonetworks / pan-os = 11.1.4-h9
paloaltonetworks / pan-os = 11.1.6
paloaltonetworks / pan-os = 11.1.6-h1
paloaltonetworks / pan-os = 11.1.6-h10
paloaltonetworks / pan-os = 11.1.6-h14
paloaltonetworks / pan-os = 11.1.6-h17
paloaltonetworks / pan-os = 11.1.6-h18
paloaltonetworks / pan-os = 11.1.6-h19
paloaltonetworks / pan-os = 11.1.6-h2
paloaltonetworks / pan-os = 11.1.6-h20
paloaltonetworks / pan-os = 11.1.6-h21
paloaltonetworks / pan-os = 11.1.6-h22
paloaltonetworks / pan-os = 11.1.6-h23
paloaltonetworks / pan-os = 11.1.6-h25
paloaltonetworks / pan-os = 11.1.6-h29
paloaltonetworks / pan-os = 11.1.6-h3
paloaltonetworks / pan-os = 11.1.6-h4
paloaltonetworks / pan-os = 11.1.6-h5
paloaltonetworks / pan-os = 11.1.6-h6
paloaltonetworks / pan-os = 11.1.6-h7
paloaltonetworks / pan-os = 11.1.7
paloaltonetworks / pan-os = 11.1.7-h1
paloaltonetworks / pan-os = 11.1.7-h2
paloaltonetworks / pan-os = 11.1.7-h4
paloaltonetworks / pan-os = 11.1.10
paloaltonetworks / pan-os = 11.1.10-h1
paloaltonetworks / pan-os = 11.1.10-h10
paloaltonetworks / pan-os = 11.1.10-h12
paloaltonetworks / pan-os = 11.1.10-h21
paloaltonetworks / pan-os = 11.1.10-h4
paloaltonetworks / pan-os = 11.1.10-h5
paloaltonetworks / pan-os = 11.1.10-h7
paloaltonetworks / pan-os = 11.1.10-h9
paloaltonetworks / pan-os = 11.1.13
paloaltonetworks / pan-os = 11.1.13-h1
paloaltonetworks / pan-os = 11.1.13-h2
paloaltonetworks / pan-os = 11.1.13-h3
paloaltonetworks / pan-os = 11.1.14
paloaltonetworks / pan-os = 11.2.4
paloaltonetworks / pan-os = 11.2.4-h1
paloaltonetworks / pan-os = 11.2.4-h10
paloaltonetworks / pan-os = 11.2.4-h11
paloaltonetworks / pan-os = 11.2.4-h12
paloaltonetworks / pan-os = 11.2.4-h14
paloaltonetworks / pan-os = 11.2.4-h15
paloaltonetworks / pan-os = 11.2.4-h2
paloaltonetworks / pan-os = 11.2.4-h3
paloaltonetworks / pan-os = 11.2.4-h4
paloaltonetworks / pan-os = 11.2.4-h5
paloaltonetworks / pan-os = 11.2.4-h6
paloaltonetworks / pan-os = 11.2.4-h7
paloaltonetworks / pan-os = 11.2.4-h8
paloaltonetworks / pan-os = 11.2.4-h9
paloaltonetworks / pan-os = 11.2.7
paloaltonetworks / pan-os = 11.2.7-h1
paloaltonetworks / pan-os = 11.2.7-h10
paloaltonetworks / pan-os = 11.2.7-h11
paloaltonetworks / pan-os = 11.2.7-h12
paloaltonetworks / pan-os = 11.2.7-h2
paloaltonetworks / pan-os = 11.2.7-h3
paloaltonetworks / pan-os = 11.2.7-h4
paloaltonetworks / pan-os = 11.2.7-h7
paloaltonetworks / pan-os = 11.2.7-h8
paloaltonetworks / pan-os = 11.2.10
paloaltonetworks / pan-os = 11.2.10-h1
paloaltonetworks / pan-os = 11.2.10-h2
paloaltonetworks / pan-os = 11.2.10-h3
paloaltonetworks / pan-os = 11.2.10-h4
paloaltonetworks / pan-os = 11.2.10-h5
paloaltonetworks / pan-os = 11.2.11
paloaltonetworks / pan-os = 12.1.4
paloaltonetworks / pan-os = 12.1.4-h2
paloaltonetworks / pan-os = 12.1.4-h3
palo_alto_networks / pan-os >= 12.1.0, < 12.1.7_12.1.4-h5
palo_alto_networks / pan-os >= 11.2.0, < 11.2.12_11.2.10-h6_11.2.7-h13_11.2.4-h17
palo_alto_networks / pan-os >= 11.1.0, < 11.1.15_11.1.13-h5_11.1.10-h25_11.1.7-h6_11.1.6-h32_11.1.4-h33
palo_alto_networks / pan-os >= 10.2.0, < 10.2.18-h6_10.2.16-h7_10.2.13-h21_10.2.10-h36_10.2.7-h34

Frequently Asked Questions

A security vulnerability is a weakness in software, hardware, or configuration that can be exploited to compromise confidentiality, integrity, or availability. Many vulnerabilities are tracked as CVEs (Common Vulnerabilities and Exposures), which provide a standardized identifier so teams can coordinate patching, mitigation, and risk assessment across tools and vendors.

CVSS (Common Vulnerability Scoring System) estimates technical severity, but it doesn't automatically equal business risk. Prioritize using context like internet exposure, affected asset criticality, known exploitation (proof-of-concept or in-the-wild), and whether compensating controls exist. A "Medium" CVSS on an exposed, production system can be more urgent than a "Critical" on an isolated, non-production host.

A vulnerability is the underlying weakness. An exploit is the method or code used to take advantage of it. A zero-day is a vulnerability that is unknown to the vendor or has no publicly available fix when attackers begin using it. In practice, risk increases sharply when exploitation becomes reliable or widespread.

Recurring findings usually come from incomplete Asset Discovery, inconsistent patch management, inherited images, and configuration drift. In modern environments, you also need to watch the software supply chain: dependencies, containers, build pipelines, and third-party services can reintroduce the same weakness even after you patch a single host. Unknown or unmanaged assets (often called Shadow IT) are a common reason the same issues resurface.

Use a simple, repeatable triage model: focus first on externally exposed assets, high-value systems (identity, VPN, email, production), vulnerabilities with known exploits, and issues that enable remote code execution or privilege escalation. Then enforce patch SLAs and track progress using consistent metrics so remediation is steady, not reactive.

SynScan combines attack surface monitoring and continuous security auditing to keep your inventory current, flag high-impact vulnerabilities early, and help you turn raw findings into a practical remediation plan.