Security Advisory
CVE-2026-56699
10
CRITICAL
Vulnerability Description
Wazuh Manager before 5.0.0-beta3 fails to escape the DataValue.index field when constructing OpenSearch bulk requests, allowing enrolled agents to inject arbitrary NDJSON operations. Attackers can smuggle delete, index, or update operations into bulk requests executed under the manager's admin credentials, enabling document deletion, alert tampering, and cross-agent SIEM state manipulation.
Published Date
July 15, 2026
Official Source
NIST NVD Advisory