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.
Timeline
- 2026-06-08Published to the U.S. National Vulnerability Database (NVD)
- 2026-06-08Added to the CISA Known Exploited Vulnerabilities (KEV) catalog
- 2026-06-09First covered in a defend.network daily briefing
- 2026-06-11CISA federal remediation deadline (BOD 22-01)
- 2026-08-04NVD record last updated
CISA Known Exploited Vulnerability
Check Point Security Gateway Improper Authentication Vulnerability
Affected product
Check Point Security Gateway
NVD also lists CPE entries for: Checkpoint Gaia Os, Checkpoint Gaia Embedded, Checkpoint Quantum Spark 1530, Checkpoint Quantum Spark 1550, Checkpoint Quantum Spark 1570
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
Referenced in our briefings & reports
- Vulnerability Priority Report – Week 1 of July 2026 (July 6 – 12)
- Vulnerability Priority Report – Week 5 of June 2026 (June 29 – July 5)
- Vulnerability Priority Report – Week 4 of June 2026 (June 22 – 28)
- Vulnerability Priority Report – Week 3 of June 2026 (June 15 – 21)
- Vulnerability Priority Report – Week 2 of June 2026 (June 8 – 14)
- Critical Check Point VPN and Linux kernel flaws under active exploitation; NSO spyware defies court order (2026-06-09)
Related vulnerabilities
- CVE-2026-85102 – Check Point Multiple Products (same product)
- CVE-2026-16232 – Check Point SmartConsole (same vendor)
- CVE-2026-93616 – Check Point Multiple Products (same vendor)
- CVE-2026-105133 – Ahsay AhsayCBS (same weakness: CWE-287)
- CVE-2026-82329 – JFrog Artifactory (same weakness: CWE-287)
- CVE-2026-42018 – JFrog Artifactory (same weakness: CWE-287)
Browse all tracked CVEs in the defend.network CVE database →
🤖 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.