CVE-2026-0227 PAN-OS: Firewall Denial of Service (DoS) in GlobalProtect Gateway and Portal

Created on 2026-01-15 15:26, updated on 2026-01-15 15:26, by Alexandre Dulaunoy
JSON CVE-2026-0227
vulnerability:origin=software

A vulnerability in Palo Alto Networks PAN-OS software enables an unauthenticated attacker to cause a denial of service (DoS) to the firewall. Repeated attempts to trigger this issue results in the firewall entering into maintenance mode.

Reference: https://security.paloaltonetworks.com/CVE-2026-0227

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