CVE-2026-32984: Heap buffer overflow in wazuh-authd

Severity: low (CVSS 3.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-03-27 · updated 2026-06-17
Weakness: CWE-125

Description

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 impact on the availability of the authentication daemon.

Affected products

wazuh: through 3.5.0; 4.3.10

References

https://github.com/advisories/GHSA-grjq-p5fg-m24r
https://www.vulncheck.com/advisories/heap-buffer-overflow-in-wazuh-authd

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