CVE-2026-121640
Last modified
CVE-2026-121640 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. An Authentication Bypass by Capture-replay vulnerability in WatchGuard AuthPoint Gateway allows an attacker who has observed a legitimate request between AuthPoint Gateway components to replay it and perform unauthorized administrative actions, including disrupting authentication services..
Description
An Authentication Bypass by Capture-replay vulnerability in WatchGuard AuthPoint Gateway allows an attacker who has observed a legitimate request between AuthPoint Gateway components to replay it and perform unauthorized administrative actions, including disrupting authentication services.
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-2026-121640?
How severe is CVE-2026-121640?
How do I fix CVE-2026-121640?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- 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-2026-121631Lightdash 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-2026-121637An improper integrity validation vulnerability in WatchGuard…8.9
- 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-2026-12165The Contest Gallery – Upload & Vote Photos, Media, Sell with…8.8
- CVE-2026-121652Cross-site scripting (XSS) issue in AWS Amplify maplibre-gl-…5.4
- CVE-2026-12166A NULL pointer dereference vulnerability for driver `GFAC_Sy…5.5
- CVE-2026-12167The Minifilter communication port for driver `GFAC_Sys_x64.s…7.8
- CVE-2026-12168An improper validation vulnerability for driver `GFAC_Sys_x6…7.8
- CVE-2026-1217The Yoast Duplicate Post plugin for WordPress is vulnerable …5.4
Are you affected by CVE-2026-121640?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST