Multiple Cross Site Scripting Vulnerabilities in Palo Alto Networks PAN-OS Software
CVE-2026-0279

0.4LOW

Key Information:

Vendor

Palo Alto Networks
Status
Cloud Ngfw
Pan-os
Prisma Access
Vendor
CVE Published:
9 July 2026

Badges

👾 Exploit Exists

What is CVE-2026-0279?

Palo Alto Networks PAN-OS software has multiple vulnerabilities in the User-ID Authentication Portal and associated features that allow unauthenticated users to store or execute harmful JavaScript payloads. This poses a risk primarily when the management interface is not adequately secured. To minimize potential threats, it is advised to restrict access to the User-ID Authentication Portal to trusted internal IP addresses, following the deployment best practices recommended by Palo Alto Networks. The vulnerability affects PAN-OS deployed on PA-Series, VM-Series firewalls, and Panorama systems, and is not applicable to Cloud NGFW.

Affected Version(s)

PAN-OS 12.1.0

PAN-OS 12.1.0 < 12.1.8

PAN-OS 11.2.0 < 11.2.13

References

https://security.paloaltonetworks.com/CVE-2026-0279
vendor-advisory

CVSS V4

Score:
0.4
Severity:
LOW
Confidentiality:
Low
Integrity:
Low
Availability:
None
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

our internal security research teams
.