CVE-2026-0228Low

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

Published
February 11, 2026
Last Modified
February 11, 2026

🔗 CVE IDs covered (1)

CVE-2026-0228 →

📋 Description

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 products3

  • Cloud NGFW
  • PAN-OS
  • Prisma Access

✅ Remediation

VERSION MINOR VERSION SUGGESTED SOLUTION Cloud NGFW No action needed. PAN-OS 12.1 No action needed. PAN-OS 11.2 11.2.0 through 11.2.7 Upgrade to 11.2.8 or later. PAN-OS 11.1 11.1.0 through 11.1.10 Upgrade to 11.1.11 or later. PAN-OS 10.2 10.2.0 through 10.2.16 Upgrade to 10.2.17 or later. All older   Upgrade to a supported fixed version. unsupported PAN-OS versions Prisma Access 11.2 on PAN-OS 11.2.0 through 11.2.7 Upgrade to 11.2.7-h10 or later. Prisma Access 10.2 on PAN-OS 10.2.0 through 10.2.10 Upgrade to 10.2.10-h28 or later. Workarounds and mitigations: No known workarounds exist for this issue.

🔗 References (1)