CVE-2026-0228

published 2026-02-11

CVE-2026-0228: An improper certificate validation vulnerability in PAN-OS allows users to connect Terminal Server Agents on Windows to PAN-OS using expired certificates even…

Priority P4 14 low 1.3 CVSS 4.0

AV N AC L AT N PR L UI N VC N VI L VA N SC L SI N SA N E U CR X IR X AR X MAV X MAC X MAT X MPR X MUI X MVC X MVI X MVA X MSC X MSI X MSA X S X AU N R U V D RE M U Amber

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

7 ranges

Vendor	Product	Version range	Fixed in
palo_alto_networks	pan-os	>= 10.2.0 < 10.2.17	10.2.17
palo_alto_networks	pan-os	>= 11.1.0 < 11.1.11	11.1.11
palo_alto_networks	pan-os	>= 11.2.0 < 11.2.8	11.2.8
palo_alto_networks	prisma_access	>= 10.2.0 < 10.2.10-h28	10.2.10-h28
paloalto	cloud_ngfw	—	—
paloalto	pan-os	—	—
paloalto	prisma_access	—	—

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CWE-295