CVE-2026-121638
Critical
Description
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.
SeverityCritical
CVSS9.1
Exploit probability—
ProductAuthPoint Gateway
PublishedNov 4, 2026
First seenNov 4, 2026
Weakness typeCWE-295CWE-295
How to fix
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| WatchGuard AuthPoint Gateway | No range specified | — |
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