CVE-2026-74035

high

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.

References

https://www.vulncheck.com/advisories/wazuh-4.6.0-before-4.14.8-authentication-bypass-via-empty-password-in-update-user

https://github.com/wazuh/wazuh/security/advisories/GHSA-27gv-q7q6-f5qh

https://github.com/wazuh/wazuh/releases/tag/v4.14.8

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-98673

Details

Source: Mitre, NVD

Published: 2026-10-13

Updated: 2026-10-13

Risk Information

CVSS v2

Base Score: 8.3

Vector: CVSS2#AV:N/AC:L/Au:M/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.2

Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Severity: High

CVSS v4

Base 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

Severity: High

EPSS

EPSS: 0.00633