EUVD-2026-16688
GHSA-prvg-j23h-9v2j
CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Lifecycle Timeline
3Description
Wazuh authd contains a heap-buffer overflow vulnerability that allows attackers to cause memory corruption and malformed heap data by sending specially crafted input. Attackers can exploit this vulnerability to trigger a denial of service condition, resulting in low availability impact to the authentication daemon.
Analysis
Wazuh authd daemon contains a heap-buffer overflow vulnerability (CWE-125) triggered by specially crafted input from authenticated remote users, causing memory corruption and denial of service to the authentication daemon. The vulnerability affects all versions of Wazuh (CPE: cpe:2.3:a:wazuh:wazuh:*:*:*:*:*:*:*:*) and requires authenticated network access to exploit; no public exploit code or active exploitation has been confirmed at this time.
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Remediation
Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.
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External POC / Exploit Code
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