CVE-2026-50751

CriticalCVSS 9.3/10Known exploited (CISA KEV)Last modified Aug 4, 2026

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.

Metrics

CVSS 3.1 9.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N

Weakness enumeration

CWE-287

Affected software

Vendor	Product	Versions
checkpoint	Quantum Security Gateway	R82.10 with Jumbo Hotfix Take 19 or below; R82 with Jumbo Hotfix Take 103 or below; R81.20 with Jumbo Hotfix Take 141 or below; R81.10, R81, and R80.40
checkpoint	Spark Firewalls	R80.20.X, R81.10.X, and R82.00.X

References

https://support.checkpoint.com/results/sk/sk185033Mitigation, Patch, Vendor Advisory
https://blog.checkpoint.com/security/check-point-releases-important-hotfix-for-vulnerabilities-in-deprecated-ikev1-vpn-protocol/Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-50751US Government Resource

Timeline

Published: Jun 8, 2026
Last modified: Aug 4, 2026
Added to CISA KEV: Jun 8, 2026
NVD status: Analyzed

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