What is GHSA-xp5x-55h7-9454?

GHSA-xp5x-55h7-9454 is a security advisory published by GitHub Security Advisories with Critical severity. An Authentication Bypass by Capture-replay vulnerability in WatchGuard AuthPoint Gateway allows...

Which CVE IDs does GHSA-xp5x-55h7-9454 cover?

GHSA-xp5x-55h7-9454 covers the following CVE IDs: CVE-2026-121640. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

GHSA-xp5x-55h7-9454Critical

An Authentication Bypass by Capture-replay vulnerability in WatchGuard AuthPoint Gateway allows...

Vendor

GitHub Security Advisories

Published

November 4, 2026

Last Modified

November 4, 2026

🔗 CVE IDs covered (1)

CVE-2026-121640 →

📋 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.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-121640
https://psirt.watchguard.com/CVE-2026-121640
https://github.com/advisories/GHSA-xp5x-55h7-9454