Actively exploited
Listed in CISA’s Known Exploited Vulnerabilities catalog since June 8, 2026.
CVE-2026-50751
Check Point Security Gateway Improper Authentication Vulnerability
Check Point · Security Gateway
Added to KEV June 8, 2026
Alert details
- Source feed
- CISA KEV
- CVE ID
- CVE-2026-50751
- CWE
- CWE-287
- Affected products
- Security Gateway · Check Point Security Gateway · Check Point
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.
What it means for your business
Check Point Security Gateway is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2026-50751). 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. CISA remediation due date: 2026-06-11. If you need help checking exposure, call (864) 335-9223.
Required action
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 due date: June 11, 2026
Sources
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