CVE-2026-50751

**CVE-2026-50751 — Critical IKEv1 authentication-bypass in Check Point VPNs:** A logic error in IKEv1 certificate validation enables unauthenticated attackers to establish VPN sessions and gain internal access; active exploitation was observed beginning May 7, 2026, and CISA added the issue to its KEV catalog. Check Point released emergency hotfixes (SK185033) for supported versions and recommends disabling IKEv1, removing legacy client support, enforcing machine certificates, and reviewing logs and IPS signatures as immediate actions.