CVE-2026-26204 | Wazuh up to 4.14.3 Alert GetAlertData buffer underflow (GHSA-j4c7-hwjw-8857)

A vulnerability, which was classified as problematic, has been found in Wazuh up to 4.14.3. This impacts the function GetAlertData of the component Alert Handler. This manipulation causes buffer underwrite.

This vulnerability appears as CVE-2026-26204. The attack requires local access. There is no available exploit.

It is advisable to upgrade the affected component.