CVE-2026-86136

HIGHCVSS 8.1

Description

A missing authorization vulnerability in the wgagent management daemon's session initialization function allows an authenticated, low-privileged user (including a read-only or guest administrator account) to crash the wgagent process and read arbitrary files accessible to the daemon by submitting a specially crafted management API request.

Timeline

Published:September 30th, 2026 12:16 AM

Last modified:October 6th, 2026 8:22 PM

CVSS Scoring

CVSS v3: 8.1 (HIGH)

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Affected Software

From NVD CPE configuration data

Vendors

watchguard

Products

fireware

Weaknesses (CWE)

CWE-22 CWE-476 CWE-862

References & Reports

Advisories, patches, and third-party reports

https://psirt.watchguard.com/CVE-2026-86136Patch

Source: NIST NVD · Data may lag official sources by up to one minute