CVE-2026-50752
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.
- Published Jun 8, 2026
- CVSS 7.4 high
- 0.3% chance of exploitation in the next 30 days (EPSS)