CVE-2026-50751 is a critical authentication bypass in Check Point Security Gateways’ deprecated IKEv1 VPN implementation, with a CVSS score of 9.8 and active exploitation confirmed in the wild. An unauthenticated remote attacker can bypass VPN authentication entirely via the IKEv1 protocol path, gaining unauthorized network access. Apply the vendor hotfix immediately and disable IKEv1 on all gateways where it is not operationally required.