---
id: CVE-2026-121640
title: >-
  WatchGuard AuthPoint Gateway Capture-replay Allows Unauthorized Administrative
  Actions
summary: >-
  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 a…
severity: critical
cvss: 9.1
cvssVector: 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:H/SA:H'
cvssSource: cna
cwe:
  - CWE-294
vendor: WatchGuard
product: AuthPoint Authentication Gateway
affected:
  - authpoint_authentication_gateway >= 1.0 < 7.6.0
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-11-04T16:39:38.774764Z'
published: '2026-11-04'
updated: '2026-11-04'
sourceUpdated: '2026-11-04T18:20:22.462Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-121640'
references:
  - url: 'https://psirt.watchguard.com/CVE-2026-121640'
tags:
  - cve.org
ingestedAt: '2026-11-05T21:36:00.484Z'
---

## Overview

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.

## Affected

- `authpoint_authentication_gateway >= 1.0 < 7.6.0`

## Remediation

AuthPoint Authentication Gateway 7.6.0