CVE-2026-121637NVD

Vulnerability Summary

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.

Severity Level

HIGH(8.9)

Published Date

Nov 4, 2026

Last Modified

Nov 4, 2026

Exploitation Status

No confirmed exploitation yet

EPSS Score (30-Day)

Data Pending

Root Weakness (CWE)

CWE-345: Unknown/Unlisted Weakness ↗

Refer to the official MITRE database for detailed architectural specifications regarding this weakness.

CVSS v4.0 Base Metrics — Score 8.9 (HIGH)

Attack VectorNetwork

Attack ComplexityLow

Attack RequirementsPresent

Privileges RequiredNone

User InteractionNone

Confidentiality (Vulnerable System)None

Integrity (Vulnerable System)High

Availability (Vulnerable System)None

Confidentiality (Subsequent System)None

Integrity (Subsequent System)High

Availability (Subsequent System)None

Affected & Patched Versions

Affected Versions

WatchGuard AuthPoint Authentication Gateway >= 1.0 and < 7.6.0

Patched Versions

WatchGuard AuthPoint Authentication Gateway 7.6.0

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