CVE-2026-74030EPSS p33.0%
CVE-2026-74030CVE-2026-74030
Description
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.
Scoring
| CVSS | 4.9 () |
| Vector | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H |
| EPSS | 0.40% probability of exploitation · percentile 33.0% · 2026-10-17T12:00:28Z |
| Last modified | 2026-10-13 |