CVE-2026-74030

Wazuh versions 3.9.0 through 4.14.8 are vulnerable to a memory exhaustion issue in the yaml2json_node component due to uncontrolled YAML alias expansion. An attacker with manager-level privileges can craft a small Security Configuration Assessment (SCA) policy using nested aliases in merged.mg . ...

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

Wazuh from 3.9.0 before 4.14.8 contains an uncontrolled YAML alias expansion vulnerability in yaml2jsonnode 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 o...

CVE-2026-56401

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority...

CVE-2026-56401: Undefined Security Weakness

Wazuh wazuh-modulesd before 5.0.0-beta3 contains a null pointer dereference vulnerability in inventorysync FlatBuffer DataValue handling. An enrolled agent can send a verifier-valid DataValue message omitting the optional id field, causing wazuh-modulesd to crash when dereferencing...

PT-2026-56440

Wazuh wazuh-modulesd before 5.0.0-beta3 contains a null pointer dereference vulnerability in inventory sync FlatBuffer DataValue handling. An enrolled agent can send a verifier-valid DataValue message omitting the optional id field, causing wazuh-modulesd to crash when dereferencing data-id-strin...