CVE-2026-50751

KEV · Ransomware

Check Point Security Gateway Improper Authentication Vulnerability

Vendor / Project: Check Point
Product: Security Gateway
Date added: Jun 8, 2026
Due date: Jun 11, 2026
Known ransomware use: Known
CWEs: CWE-287

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