CVE-2026-74034

High

Description

Wazuh from 4.1.0 before 4.14.8 contains a missing origin check in wm_agent_upgrade that allows enrolled agents to issue upgrade_custom commands with attacker-controlled file_path. Attackers can inject an upgrade_custom message over the agent channel to read arbitrary files as root, exfiltrating /etc/shadow and client.keys.

SeverityHigh

CVSS7.5

Exploit probability—

ProductWazuh-manager

PublishedOct 13, 2026

First seenOct 13, 2026

Weakness typeCWE-862Missing authorization

How to fix

Update

Wazuh wazuh-manager4.14.8 or later

Patches

github.com/wazuh/wazuh/releases/tag/v4.14.8

Vendor advisories

github.com/wazuh/wazuh/security/advisories/GHSA-r7hm-43xr-477j

Affected products

Product	Affected versions	Fixed in
Wazuh wazuh-manager	4.1.0 ≤ v < 4.14.8	4.14.8

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