Palo Alto Networks PAN-OS contains an authentication bypass vulnerability that allows attackers to bypass security restrictions and establish an unauthorized VP…

Palo Alto Networks PAN-OS contains a critical authentication bypass vulnerability tracked as CVE-2026-0257. The vulnerability allows attackers to bypass security restrictions and establish unauthorized VPN connections. This represents a significant security risk as it could allow unauthorized access to corporate networks through compromised VPN infrastructure. The vulnerability affects PAN-OS systems and has been assigned a high criticality rating. Palo Alto Networks has published security advisories addressing this issue.