CVE-2026-0308

A stored cross-site scripting (XSS) vulnerability in Palo Alto Networks PAN-OS® software enables a malicious authenticated administrator to store or execute a JavaScript payload using the web interface. 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 affected by this vulnerability.

  • Published Sep 10, 2026
  • CVSS 1.1 low
  • 0.3% chance of exploitation in the next 30 days (EPSS)

Affected software

CVE-2026-0308 at the National Vulnerability Database