---
id: CVE-2026-82332
title: >-
  Fireware OS Improper Authentication in AuthPoint MFA Verification Allows
  Session Hijacking
summary: >-
  An improper authentication vulnerability in WatchGuard Fireware OS's AuthPoint
  multi-factor authentication process allows a local, unauthenticated attacker
  on the appliance to hijack another user's in-progress MFA session by supplying
  a …
severity: medium
cvss: 5.6
cvssVector: 'CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N'
cvssSource: cna
cwe:
  - CWE-287
  - CWE-346
vendor: WatchGuard
product: Fireware OS
affected:
  - fireware_os >= 2025.1 < 2026.4
  - fireware_os >= 12.7 < 12.12.4
published: '2026-10-27'
updated: '2026-10-27'
sourceUpdated: '2026-10-27T15:52:27.999Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-82332'
references:
  - url: 'https://psirt.watchguard.com/CVE-2026-82332'
tags:
  - cve.org
ingestedAt: '2026-10-27T16:11:59.478Z'
---

## Overview

An improper authentication vulnerability in WatchGuard Fireware OS's AuthPoint multi-factor authentication process allows a local, unauthenticated attacker on the appliance to hijack another user's in-progress MFA session by supplying a specially crafted request and convincing the victim user to accept an MFA push notification.

## Affected

- `fireware_os >= 2025.1 < 2026.4`
- `fireware_os >= 12.7 < 12.12.4`

## Remediation

Fireware OS 2026.4, Fireware OS 12.12.4