MEDIUM 6.9 NVD
CVE-2026-74030
Wazuh from 3.9.0 before 4.14.8 contains an uncontrolled YAML alias expansion vulnerability in yaml2json_node that allows a manager-controlled policy to exhaust
Wazuh from 3.9.0 before 4.14.8 contains an uncontrolled YAML alias expansion vulnerability in yaml2json_node that allows a manager-controlled policy to exhaust agent memory. Attackers controlling the manager can push a small SCA policy with nested aliases via merged.mg to OOM-kill wazuh-modulesd on every agent in a group.
References
- https://github.com/wazuh/wazuh/releases/tag/v4.14.8
- https://github.com/wazuh/wazuh/security/advisories/GHSA-x8v7-g49q-ff7j
- https://www.vulncheck.com/advisories/wazuh-3.9.0-before-4.14.8-memory-exhaustion-via-sca-y
This medium severity vulnerability with a CVSS score of 6.9 was published on 2026-10-13 via NVD.
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