{"id":"CVE-2026-74035","published":"2026-10-13T14:17:40.253","lastModified":"2026-10-13T20:39:48.767","description":"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.","cvssScore":7.2,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","cwes":["CWE-863"],"vendors":[],"products":[],"references":[{"url":"https://github.com/wazuh/wazuh/releases/tag/v4.14.8","tags":[]},{"url":"https://github.com/wazuh/wazuh/security/advisories/GHSA-27gv-q7q6-f5qh","tags":[]},{"url":"https://www.vulncheck.com/advisories/wazuh-4.6.0-before-4.14.8-authentication-bypass-via-empty-password-in-update-user","tags":[]}],"exploitRefs":[{"url":"https://github.com/wazuh/wazuh/releases/tag/v4.14.8","tags":[]},{"url":"https://github.com/wazuh/wazuh/security/advisories/GHSA-27gv-q7q6-f5qh","tags":[]}],"hasPoc":true,"ai":null}