Risk Letters

Exploited vulnerability

CVE-2026-50751

TLP:CLEAR

Check Point Security Gateway Improper Authentication Vulnerability

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.

Facts

  • Vendor: Check Point
  • Product: Security Gateway
  • CVSS: 9.3
  • EPSS (probability of exploitation within 30 days): 85.3 %
  • On CISA's Known Exploited Vulnerabilities list since: 8 June 2026
  • First known exploitation: 8 June 2026
  • Used in ransomware campaigns (per CISA): Yes
  • CISA's deadline for US federal agencies: 11 June 2026
  • Weakness: CWE-287
  • First seen by Risk Letters: 8 June 2026

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Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD