ZDI-CAN-30062: ZDI-26-528: Wazuh Cluster DAPI Protocol Deserialization of Untrusted Data Remote Code Execution Vulnerability

Published Aug 11, 2026

Updated

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Wazuh. An attacker must first obtain the ability to execute low-privileged code on a worker node in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 9.9. The following CVEs are assigned: CVE-2026-28220.

Affected Software

1 affected component

Wazuh

Event History

Aug 11, 2026

Advisory Published

via ZDI·05:00 AM

Data Sourced

via ZDI·05:00 AM

Description

Frequently Asked Questions

What is the severity of ZDI-CAN-30062?

ZDI-CAN-30062 has a CVSS rating of 9.9, indicating critical severity.

How do I fix ZDI-CAN-30062?

Fixing ZDI-CAN-30062 involves applying the latest security patches provided by Wazuh.

What type of exploit does ZDI-CAN-30062 allow?

ZDI-CAN-30062 allows network-adjacent attackers to execute arbitrary code due to deserialization of untrusted data.

Who can exploit ZDI-CAN-30062?

Network-adjacent attackers who have the ability to execute low-privileged code on a worker node can exploit ZDI-CAN-30062.

What systems are affected by ZDI-CAN-30062?

ZDI-CAN-30062 affects installations of Wazuh that are vulnerable to the DAPI Protocol deserialization issue.