Auth bypass in Wazuh Wazuh-Manager
CVE-2026-74035
Wazuh versions from 4.6.0 before 4.14.8 contain an authentication bypass vulnerability where security.update_user places the reserved user guard and password policy inside a falsy truthiness check. A delegated user administrator can send an empty password to the user update endpoint, bypassing the reserved user guard to take over the wazuh superuser account and authenticate with empty credentials.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/wazuh/wazuh/security/advisories/GHSA-27gv-q7q6-f5qh (vendor-advisory)
- github.com/wazuh/wazuh/releases/tag/v4.14.8 (release-notes, patch)
- www.vulncheck.com/advisories/wazuh-4.6.0-before-4.14.8-authentication-bypass-vi… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-74035?
- CVE-2026-74035 is a high-severity vulnerability in Wazuh Wazuh-Manager, classified under Incorrect Authorization. CVSS score: 7.2/10. Published 2026-10-13.
- How severe is CVE-2026-74035?
- High severity. CVSS v3 base score is 7.2 out of 10.