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.
Project Subscriptions
Advisories
No advisories yet.
Fixes
Solution
AuthPoint Authentication Gateway 7.6.0
Workaround
No workaround given by the vendor.
References
| Link | Providers |
|---|---|
| https://psirt.watchguard.com/CVE-2026-121637 |
|
History
Wed, 04 Nov 2026 15:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | WatchGuard AuthPoint Gateway Improper HMAC Validation in LDAP Authentication Callback Allows Forged Authentication Results | |
| First Time appeared |
Watchguard
Watchguard authpoint Authentication Gateway |
|
| Weaknesses | CWE-345 | |
| CPEs | cpe:2.3:a:watchguard:authpoint_authentication_gateway:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Watchguard
Watchguard authpoint Authentication Gateway |
|
| References |
| |
| Metrics |
cvssV4_0
|
Projects
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Status: PUBLISHED
Assigner: WatchGuard
Published:
Updated: 2026-11-04T18:20:22.014Z
Reserved: 2026-11-03T17:26:56.903Z
Link: CVE-2026-121637
No data.
Status : Received
Published: 2026-11-04T15:17:42.263
Modified: 2026-11-04T15:17:42.263
Link: CVE-2026-121637
No data.
OpenCVE Enrichment
Updated: 2026-11-04T17:15:14Z
Weaknesses