CVE-2026-28220 Wazuh cluster DAPI arbitrary callable deserialization and RBAC context injection allow a cluster peer to execute privileged functions on the master node

Wazuh is a free and open source platform used for threat prevention, detection, and response. Prior to version 4.14.5, issues in the Cluster Distributed API DAPI handling allow a cluster peer, or any actor able to authenticate to the cluster channel using the shared cluster key, to make the maste...

CVE-2026-28220

CVE-2026-28220 concerns the Wazuh Cluster Distributed API (DAPI). Before version 4.14.5, the master node could be coerced to deserialize an attacker-controlled callable and run it under an attacker-controlled RBAC context due to a permissive as_wazuh_object() deserialization and client-supplied r...

CVE-2026-28220: Deserialization of Untrusted Data

Wazuh is a free and open source platform used for threat prevention, detection, and response. Prior to version 4.14.5, issues in the Cluster Distributed API DAPI handling allow a cluster peer, or any actor able to authenticate to the cluster channel using the shared cluster key, to make the maste...