The vulnerability of the GetAlertData() function on the security monitoring and threat detection platform Wazuh allows a malicious actor to trigger a service failure.

The vulnerability of the GetAlertData function on the security monitoring and threat detection platform Wazuh is related to a violation of the buffer’s initial limit. Exploiting this vulnerability could allow an attacker to trigger a service failure...

CVE-2026-26204

Wazuh is a free and open source platform used for threat prevention, detection, and response. From version 1.0.0 to before version 4.14.4, a heap-based out-of-bounds WRITE occurs in GetAlertData, resulting in writing a NULL byte exactly 1 byte before the start of the buffer allocated by strdup. D...

EUVD-2026-26259

Wazuh is a free and open source platform used for threat prevention, detection, and response. From version 1.0.0 to before version 4.14.4, a heap-based out-of-bounds WRITE occurs in GetAlertData, resulting in writing a NULL byte exactly 1 byte before the start of the buffer allocated by strdup. D...

CVE-2026-26204 Wazuh: Heap-based NULL WRITE Buffer Underflow in GetAlertData

Wazuh is a free and open source platform used for threat prevention, detection, and response. From version 1.0.0 to before version 4.14.4, a heap-based out-of-bounds WRITE occurs in GetAlertData, resulting in writing a NULL byte exactly 1 byte before the start of the buffer allocated by strdup. D...

Wazuh 安全漏洞

Wazuh is an open-source application developed by Wazuh. It is used for collecting, summarizing, indexing, and analyzing security data, helping organizations detect intrusions, threats, and abnormal behaviors. Versions of Wazuh from 1.0.0 to 4.14.4 contained security vulnerabilities. These...