Buffer overflow in Wazuh

CVE-2026-34150

Wazuh is a free and open source platform used for threat prevention, detection, and response. In versions 1.0.0 and above, prior to 4.14.5, a heap buffer overflow in wazuh-analysisd allows an unauthenticated remote attacker to crash the Wa…

Vulnerability class: Buffer Overflow

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

  • Wazuh — versions >= 1.0.0, < 4.14.5

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-34150?
CVE-2026-34150 is a high-severity vulnerability in Wazuh, classified under Heap-based Buffer Overflow. CVSS score: 7.5/10. Published 2026-07-17.
How severe is CVE-2026-34150?
High severity. CVSS v3 base score is 7.5 out of 10.