Check Point Security Gateway Improper Authentication Vulnerability

Date Jun 8, 2026
Type KEV
Signal Known exploited
Vendor / Product Check Point ยท Security Gateway
CVE CVE-2026-50751
Known exploited CVE-2026-50751

Summary

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.

Why it matters

CVE-2026-50751 is listed in CISA's Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. CISA remediation deadline: 2026-06-11. Treat remediation as urgent.

Operator check

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

Sources

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.