CVE-2026-74030Wazuh 3.9.0 before 4.14.8 Memory Exhaustion via SCA YAML Alias Expansion

Descripción

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.

Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.

Productos y versiones afectados

Referencias y parches

• GitHub Security Advisory (GHSA-x8v7-g49q-ff7j) vendor-advisory
• Wazuh v4.14.8 Release Notes patchrelease-notes
• VulnCheck Advisory: Wazuh 3.9.0 before 4.14.8 Memory Exhaustion via SCA YAML Alias Expansion third-party-advisory