CVE-2026-121637
Last modified
CVE-2026-121637 is a high-severity vulnerability rated 8.9/10 on the CVSS scale. 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..
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.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| WatchGuard | AuthPoint Authentication Gateway | >= 1.0, < 7.6.0 |
References
Timeline
- Published
- Last Modified
- Status
- Received
Frequently Asked Questions
What is CVE-2026-121637?
How severe is CVE-2026-121637?
How do I fix CVE-2026-121637?
How Strix Helps
- Same Subject, Wrong User: A Cross-Issuer Account Takeover in n8nStrix found an identity-binding bug in n8n's token-exchange flow enabling account takeover.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-121626GNU Gatekeeper (gnugk) before 5.16 contains an out-of-bounds…3.7
- CVE-2026-121627buku 5.0 through 5.1.1 contains a stored cross-site scriptin…6.1
- CVE-2026-121628Bagisto before 2.3.16 and 2.4.x before 2.4.1 contains a race…3.7
- CVE-2026-12163Fortra File Integrity Monitoring (FIM), formerly Tripwire En…4.8
- CVE-2026-121631Lightdash 0.2609.0 before 3.137.0 contains an authorization …4.2
- CVE-2026-121632Data::MuForm versions through 0.05 for Perl render attribute…
- CVE-2026-121638An Improper Certificate Validation vulnerability in WatchGua…9.1
- CVE-2026-121639A Missing Authentication for Critical Function vulnerability…9.2
- CVE-2026-12164Fortra File Integrity Monitoring (FIM), formerly Tripwire En…4.4
- CVE-2026-121640An Authentication Bypass by Capture-replay vulnerability in …9.1
- CVE-2026-12165The Contest Gallery – Upload & Vote Photos, Media, Sell with…8.8
- CVE-2026-121652Cross-site scripting (XSS) issue in AWS Amplify maplibre-gl-…5.4
Are you affected by CVE-2026-121637?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST