CRITICAL 9.1 NVD

CVE-2026-121638

An Improper Certificate Validation vulnerability in WatchGuard AuthPoint Gateway allows an attacker with an on-path network position to intercept and modify com

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.

References

https://psirt.watchguard.com/CVE-2026-121638

Published: 2026-11-04 · Source: NVD · Feed updated: 2026-11-04

This critical severity vulnerability with a CVSS score of 9.1 was published on 2026-11-04 via NVD.

Risk Timeline

CVE Disclosed2026-11-04 · -1 days ago

Remediation Resources

Official Advisory

psirt.watchguard.com/CVE-2026-121638

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