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.
Advisories

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Fixes

Solution

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Workaround

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History

Tue, 13 Oct 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 13 Oct 2026 13:45:00 +0000

Type Values Removed Values Added
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.
Title Wazuh 4.6.0 before 4.14.8 Authentication Bypass via Empty Password in update_user
First Time appeared Wazuh
Wazuh wazuh
Weaknesses CWE-863
CPEs cpe:2.3:a:wazuh:wazuh:*:*:*:*:*:*:*:*
Vendors & Products Wazuh
Wazuh wazuh
References
Metrics cvssV3_1

{'score': 7.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-13T16:43:30.956Z

Reserved: 2026-08-14T14:06:40.512Z

Link: CVE-2026-74035

cve-icon Vulnrichment

Updated: 2026-10-13T16:40:41.857Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-13T14:17:40.253

Modified: 2026-10-13T20:39:48.767

Link: CVE-2026-74035

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-13T15:15:15Z

Weaknesses