Home / Vulnerabilities / CVE-2026-50751
CRITICAL SEVERITY Ransomware Linked
CVE-2026-50751Check Point · Security Gateway

Check Point Security Gateway Improper Authentication Vulnerability

Critical Threat Advisory: This vulnerability is documented in active Ransomware campaigns. Immediate remediation required.

Technical Severity

CVSS v3.1 Metrics

CRITICAL
9.3 / 10
Minimal Risk Critical
Vector Specification
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N
Exploitation Likelihood

EPSS Prediction

11.84 %
Predictive Probability
Percentile Rank
93.9 th

Documented as more likely to be exploited than 93.9% of known CVEs.

Detection Date

Jun 08, 2026

Remediation Due

Jun 11, 2026

CISA Catalog Active

Threat Analysis

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.

Remediation Directive

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

External Intelligence

https://blog.checkpoint.com/security/check-point-releases-important-hotfix-for-vulnerabilities-in-deprecated-ikev1-vpn-protocol/

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://support.checkpoint.com/results/sk/sk185033?_gl=1*1wqeqhc*_gcl_au*MTI1MzE5MjI2LjE3ODA5MzQ1NTM.

NVD

National Vulnerability Database

https://nvd.nist.gov/vuln/detail/CVE-2026-50751