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.
Published: 2026-10-13
Score: 8.7 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Tue, 13 Oct 2026 13:45:00 +0000

Type Values Removed Values Added
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.
Title Wazuh 4.1.0 before 4.14.8 Arbitrary File Read via upgrade_custom Command
First Time appeared Wazuh
Wazuh wazuh
Weaknesses CWE-862
CPEs cpe:2.3:a:wazuh:wazuh:*:*:*:*:*:*:*:*
Vendors & Products Wazuh
Wazuh wazuh
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'}

Subscriptions

Wazuh Wazuh
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-13T13:27:28.086Z

Reserved: 2026-08-14T14:06:40.512Z

Link: CVE-2026-74034

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-13T14:17:40.087

Modified: 2026-10-13T14:17:40.087

Link: CVE-2026-74034

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-13T15:15:15Z

Weaknesses