---
title: "CVE-2026-90441: wgagent - Broken Access Control"
description: "wgagent management daemon contains a missing authorization vulnerability in session initialization, letting authenticated low-privileged users crash the process and read arbitrary files, exploit requires authenticated low-privileged user."
url: https://panop.io/threat-heartbeat/CVE-2026-90441/
---

# CVE-2026-90441 wgagent - Broken Access Control

wgagent management daemon contains a missing authorization vulnerability in session initialization, letting authenticated low-privileged users crash the process and read arbitrary files, exploit requires authenticated low-privileged user.

CVSS base score 8.1 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.23% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-90441)

## Details

Type

Broken Access Control

Impact

Denial Of Service, File System Read

CVSS vector

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

Published

30 September 2026

Updated

15 October 2026

Weakness

[CWE-200](https://cwe.mitre.org/data/definitions/200.html)

## Vendor fix

Update to the latest version with authorization checks in session initialization.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-90441](https://nvd.nist.gov/vuln/detail/CVE-2026-90441)
- [https://psirt.watchguard.com/CVE-2026-90441](https://psirt.watchguard.com/CVE-2026-90441)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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