CVE-2026-0256

No fix known EPSS <1%CVSS 4.4

A stored cross-site scripting (XSS) vulnerability in Palo Alto Networks PAN-OS® software enables a malicious authenticated administrator to store 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 impacted by this vulnerability.

Published 2026-05-13 · CVE record · OSV

Products: Palo Alto Networks Cloud NGFW, Palo Alto Networks PAN-OS, Palo Alto Networks Prisma Access, Siemens RUGGEDCOM APE1808