CVE-2026-0228 — PAN-OS: Improper Validation of Terminal Server Agent Certificate

CVE-2026-0228

PAN-OS: Improper Validation of Terminal Server Agent Certificate PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
Palo Alto Networks / Cloud NGFW	unaffected All
Palo Alto Networks / PAN-OS	unaffected 12.1.0 before 11.2.8; affected 11.2.0 before 11.2.8; affected 11.1.0 before 11.1.11; affected 10.2.0 before 10.2.17
Palo Alto Networks / Prisma Access	affected 10.2.0 before 10.2.10-h28

CWE

CWE-295

References

https://security.paloaltonetworks.com/CVE-2026-0228

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.