Check Point Security Gateway Improper Authentication Vulnerability
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.
MANARTECH SECURITY ALERT
Check Point Security Gateway Improper Authentication Vulnerability
CVE Numbers
CVE-2026-50751
Affected Product
Security Gateway — Check Point
Threat 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.
Severity Scale
CRITICALHIGHMEDIUMLOW
Severity
CRITICAL
Affected Versions
To be reviewed
Recommended Mitigation
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Reference Links
https://support.checkpoint.com/results/sk/sk185033
https://blog.checkpoint.com/security/check-point-releases-important-hotfix-for-vulnerabilities-in-deprecated-ikev1-vpn-protocol/
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-50751
https://nvd.nist.gov/vuln/detail/CVE-2026-50751