CVE-2026-74035 — Wazuh 4.6.0 before 4.14.8 Authentication Bypass via Empty Password in update_user
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 fal…
Published: 2026-10-13 · CVSS: 8.6 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7