CVE-2026-74034

EUVD-2026-98672
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
VulnCheckCNA
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 25.97%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
wazuhwazuh
4.1.0 ≤
𝑥
< 4.14.8
CNA
Common Weakness Enumeration
References
https://github.com/wazuh/wazuh/releases/tag/v4.14.8
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://github.com/wazuh/wazuh/security/advisories/GHSA-r7hm-43xr-477j