CVE-2026-121637
High
Description
An improper integrity validation vulnerability in WatchGuard AuthPoint Gateway's LDAP authentication callback allows a network attacker who has obtained a valid header signature to forge the authentication result and transaction identifier in the request body, resulting in unauthorized session outcomes.
SeverityHigh
CVSS8.9
Exploit probability—
ProductAuthPoint Gateway
PublishedNov 4, 2026
First seenNov 4, 2026
Weakness typeCWE-345CWE-345
How to fix
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| WatchGuard AuthPoint Gateway | No range specified | — |
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