CVE-2026-50751 · netVigilance record NV26-0130
Check Point Security Gateway Improper Authentication
past due ransomware
What to do
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
CISA deadline 2026-06-11 · passed 2 months ago · applies to US federal civilian agencies; used elsewhere as a reference SLA
What happened
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.
Who is affected
Check Point Security Gateway. Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.
Weakness class: CWE-287.
Timeline
- Added to CISA KEVExploitation in the wild confirmed by CISA
- CISA remediation deadlinepassed 2 months ago
Sources
- NVD entry for CVE-2026-50751 nvd.nist.gov/vuln/detail/CVE-2026-50751
- CISA Known Exploited Vulnerabilities catalog www.cisa.gov/known-exploited-vulnerabilities-catalog
- blog.checkpoint.com blog.checkpoint.com/security/check-point-releases-important-hotfix-for-vulnerabilities-in-deprecated-ikev1-vpn-protocol/
- support.checkpoint.com support.checkpoint.com/results/sk/sk185033?_gl=1*1wqeqhc*_gcl_au*MTI1MzE5MjI2LjE3ODA5MzQ1NTM
- nvd.nist.gov nvd.nist.gov/vuln/detail/CVE-2026-50751