CVE-2026-71540

The Wazuh security platform is vulnerable to a memory exhaustion issue in versions 3.9.0 through 4.14.7 . The flaw exists in the wazuh-clusterd component (specifically in framework/wazuh/core/cluster/common.py), where the system allocates a payload buffer based on a 20-byte cluster protocol heade...

CVE-2026-71540 Wazuh Manager cluster header parsing allows pre-authentication memory exhaustion

Wazuh is an open-source security platform providing unified XDR and SIEM protection for endpoints and cloud workloads. From 3.9.0 until 4.14.7, wazuh-clusterd in framework/wazuh/core/cluster/common.py allocates a payload buffer using the size declared in a 20-byte cluster protocol header before...

CVE-2026-25770: Improper Limitation of a Pathname to a Restricted Directory

Wazuh is a free and open source platform used for threat prevention, detection, and response. Starting in version 3.9.0 and prior to version 4.14.3, a privilege escalation vulnerability exists in the Wazuh Manager's cluster synchronization protocol. The wazuh-clusterd service allows authenticated...