What is CVE-2026-50751?
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.
CISA Known Exploited Vulnerability
Check Point Security Gateway Improper Authentication Vulnerability
Affected product
Check Point Security Gateway
Remediation Steps
- Apply the vendor security update for Check Point Remote Access VPN / Mobile Access as a priority.
- Restrict network exposure of the affected service to trusted sources until patched.
- Review logs and detections for indicators of exploitation.
- Confirm fixed versions against the official vendor advisory before deploying.
References
- 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
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog
Coverage on defend.network
🤖 This CVE page is generated by defend.network from NVD, CISA KEV, EPSS, and our verified daily briefings. Severity and exploitation data come from official sources; always verify remediation steps against the official vendor advisory before acting in production.