CVE-2026-0228
No fix known EPSS <1%CVSS 1.3
An improper certificate validation vulnerability in PAN-OS allows users to connect Terminal Server Agents on Windows to PAN-OS using expired certificates even if the PAN-OS configuration would not normally permit them to do so.
Products: Palo Alto Networks Cloud NGFW, Palo Alto Networks PAN-OS, Palo Alto Networks Prisma Access