---
title: "CVE-2026-74034: Wazuh - Broken Access Control"
description: "Wazuh 4.1.0 before 4.14.8 contains a missing origin check in wm_agent_upgrade, letting enrolled agents read arbitrary files as root via upgrade_custom commands with attacker-controlled file_path, exploit requires enrolled agent access."
url: https://panop.io/threat-heartbeat/CVE-2026-74034/
---

# CVE-2026-74034 Wazuh - Broken Access Control

Wazuh 4.1.0 before 4.14.8 contains a missing origin check in wm\_agent\_upgrade, letting enrolled agents read arbitrary files as root via upgrade\_custom commands with attacker-controlled file\_path, exploit requires enrolled agent access.

CVSS base score 7.5 /10

High

CISA KEV

Not listed

Public exploit

Proof of concept available

Authentication

Not required

EPSS

0.34% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-74034)

## Details

Type

Broken Access Control

Impact

File System Read, Information Disclosure

CVSS vector

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

Published

13 October 2026

Updated

15 October 2026

Weakness

[CWE-862](https://cwe.mitre.org/data/definitions/862.html)

## Vendor fix

Upgrade to version 4.14.8 or later.

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-2026-74034](https://nvd.nist.gov/vuln/detail/CVE-2026-74034)
- [https://github.com/wazuh/wazuh/releases/tag/v4.14.8](https://github.com/wazuh/wazuh/releases/tag/v4.14.8)
- [https://github.com/wazuh/wazuh/security/advisories/GHSA-r7hm-43xr-477j](https://github.com/wazuh/wazuh/security/advisories/GHSA-r7hm-43xr-477j)
- [https://www.vulncheck.com/advisories/wazuh-4.1.0-before-4.14.8-arbitrary-file-read-via-upgrade-custom-command](https://www.vulncheck.com/advisories/wazuh-4.1.0-before-4.14.8-arbitrary-file-read-via-upgrade-custom-command)

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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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