What is CVE-2026-26206?

CVE-2026-26206 is a medium-severity vulnerability in Wazuh, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 6.5/10. Published 2026-04-29.

How severe is CVE-2026-26206?

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

Vulnerability in Wazuh

CVE-2026-26206

Wazuh is a free and open source platform used for threat prevention, detection, and response. From version 4.0.0 to before version 4.14.4, Wazuh's server API brute-force protection for POST /security/user/authenticate can be bypassed by se…

EPSS: 0.001 (22.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

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

Affected products

Wazuh — versions >= 4.0.0, < 4.14.4

Weakness classification (CWE)

References

https://github.com/wazuh/wazuh/security/advisories/GHSA-m2mr-xhhv-jx58 (x_refsource_CONFIRM, Exploit, Vendor Advisory)
https://github.com/wazuh/wazuh/releases/tag/v4.14.4 (x_refsource_MISC, Release Notes)

Frequently asked questions

What is CVE-2026-26206?: CVE-2026-26206 is a medium-severity vulnerability in Wazuh, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 6.5/10. Published 2026-04-29.
How severe is CVE-2026-26206?: Medium severity. CVSS v3 base score is 6.5 out of 10.