CVE-2026-50752 – Certificate Validation Bypass in VPN Site-to-Site Connections Using IKEv1

CVE ID :CVE-2026-50752

Published : June 8, 2026, 12:16 p.m. | 16 minutes ago

Description :A weakness in the certificate validation logic of the deprecated IKEv1 key exchange may allow an unauthenticated attacker positioned as a man-in-the-middle to bypass certificate validation in VPN site-to-site connections that use certificate-based authentication. Successful exploitation could allow interception or modification of traffic traversing the VPN tunnel.

Severity: 7.4 | HIGH

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