CVE-2026-50751

Product

Check Point / Security Gateway

Vulnerability

Check Point Security Gateway Improper Authentication Vulnerability

Added to KEV

Jun 8, 2026

Remediate by

Jun 11, 2026

Known ransomware use

Yes

Summary description

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.

Required action

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

Notes

https://blog.checkpoint.com/security/check-point-releases-important-hotfix-for-vulnerabilities-in-deprecated-ikev1-vpn-protocol/ ; https://support.checkpoint.com/results/sk/sk185033?_gl=1*1wqeqhc*_gcl_au*MTI1MzE5MjI2LjE3ODA5MzQ1NTM. ; https://nvd.nist.gov/vuln/detail/CVE-2026-50751