Answer in brief
CVE-2026-121637 records a High severity (CVSS 8.9) vulnerability in WatchGuard AuthPoint Gateway Improper HMAC Validation in LDAP Authentication Callback Allows Forged Authentication Results. The current sources do not mark it as known exploited. The current feed maps WatchGuard/AuthPoint Authentication Gateway (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 8.9. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps WatchGuard/AuthPoint Authentication Gateway (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| WatchGuard/AuthPoint Authentication Gatewaygeneric | >=1.0 <7.6.0 | 7.6.0 |
Published upstream
Nov 4, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Nov 4, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Nov 4, 2026
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.
Quoted source text, attributed separately from HOL analysis.