User Authentication Bypass in VPN Remote Access and Mobile Access
CVE-2026-50751

Currently unrated

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.

Affected Version(s)

Quantum Security Gateway R82.10 with Jumbo Hotfix Take 19 or below

Quantum Security Gateway R82 with Jumbo Hotfix Take 103 or below

Quantum Security Gateway R81.20 with Jumbo Hotfix Take 141 or below

References

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.