Check Point Security Gateway Improper Authentication Vulnerability

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• NewsExploited · CISA KEVKnown ransomware useCheck Point · Security Gateway

  Check Point Security Gateway Improper Authentication Vulnerability

  CVE-2026-50751

  Check Point Security Gateway contains an improper authentication vulnerability in IKEv1 key exchange that could allow an unauthenticated remote attacker to bypass user authentication and establish a remote access VPN connection without a valid user password.

  CISA's required action · due 11 Jun 2026 for U.S. federal civilian agencies

  Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

  Cited by CISA: blog.checkpoint.com · support.checkpoint.com · nvd.nist.gov

  Added to KEV 8 Jun 2026 · Source checked 4 Nov 2026, 16:30 UTC · CISA KEV entry

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