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[ CVE-2026-50751 · Published 8 Jun 2026 ]

Check Point Security Gateway Improper Authentication Vulnerability

Exploited · CISA KEV CVSS 9.3 EPSS 85%Fix available

[ Why it matters ]Priority signals

  • Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2026-06-08
  • Known to be used in ransomware campaigns
  • EPSS: 85% chance of exploitation in the next 30 days (higher than 100% of CVEs)
  • Critical severity: CVSS 9.3

[ Description ]Official description

A logic flow weakness in Remote Access and Mobile Access certificate validation in deprecated IKEv1 key exchange allows an unauthenticated remote attacker to bypass user authentication and establish a remote access VPN connection without a valid user password.

CISA: 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.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 11 Jun 2026): Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

[ References ]References