CVE-2026-0228 LOW

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

Vendor Palo Alto Networks
Product PAN-OS
Weakness CWE-295
Published February 11, 2026
Last update February 11, 2026
View on NVD All CVEs

CVSS base score

1.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality —
Integrity —

CVSS vector

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/AU:N/R:U/V:D/RE:M/U:Amber

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

February 11, 2026 CVE published
February 11, 2026 Record updated

Related vulnerabilities

04Related CVE

CVE-2026-1530 Fog-kubevirt: fog-kubevirt: man-in-the-middle vulnerability due to disabled certificate validation CVE-2024-25141 Apache Airflow Mongo Provider: Certificate validation isn't respected even if SSL is enabled for apache-airflow-providers-mongo CVE-2022-32151 Splunk Enterprise disabled TLS validation using the CA certificate stores in Python 3 libraries by default CVE-2024-2048 Vault Cert Auth Method Did Not Correctly Validate Non-CA Certificates CVE-2026-29140 S/MIME Signature Additional Certificate