CVE-2026-121638 WatchGuard AuthPoint Gateway Improper Certificate Validation Allows Man-in-the-Middle Attacks

An Improper Certificate Validation vulnerability in WatchGuard AuthPoint Gateway allows an attacker with an on-path network position to intercept and modify communications between the AuthPoint Gateway and local authentication providers...

CVE-2026-121638

The WatchGuard AuthPoint Gateway is subject to an Improper Certificate Validation vulnerability (CWE-295). An attacker positioned on-path in the network can exploit this flaw to intercept and modify communications between the AuthPoint Gateway and local authentication providers. The CVSS 4.0 scor...

CVE-2026-121638: WatchGuard AuthPoint Authentication Gateway: An Improper Certificate Validation vulnerability in WatchGuard AuthPoint Gateway allows an attacker with an on-path…

An Improper Certificate Validation vulnerability in WatchGuard AuthPoint Gateway allows an attacker with an on-path network position to intercept and modify communications between the AuthPoint Gateway and local authentication providers...