CVE-2026-121639

Critical

Description

A Missing Authentication for Critical Function vulnerability in WatchGuard AuthPoint Gateway allows a remote unauthenticated attacker with network access to the AuthPoint Gateway host to disrupt authentication services and delete the local directory synchronization configuration.

SeverityCritical

CVSS9.2

Exploit probability—

ProductAuthPoint Gateway

PublishedNov 4, 2026

First seenNov 4, 2026

Weakness typeCWE-252CWE-252 CWE-287Improper authentication CWE-306Missing authentication for critical function

How to fix

Vendor advisories

psirt.watchguard.com/CVE-2026-121639

Affected products

Product	Affected versions	Fixed in
WatchGuard AuthPoint Gateway	No range specified	—

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