What is CVE-2026-33754?

CVE-2026-33754 is a medium-severity vulnerability in Wazuh, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2026-07-17.

How severe is CVE-2026-33754?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Resource exhaustion in Wazuh

CVE-2026-33754

Wazuh is a free and open source platform used for threat prevention, detection, and response. In versions 3.9.0 and above, prior to 4.14.5, a remote attacker can trigger memory exhaustion in the cluster protocol parser by sending a crafted…

Vulnerability class: DoS (Denial of Service)

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Wazuh — versions >= 3.9.0, < 4.14.5

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-33754?: CVE-2026-33754 is a medium-severity vulnerability in Wazuh, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2026-07-17.
How severe is CVE-2026-33754?: Medium severity. CVSS v3 base score is 6.5 out of 10.