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.

SeverityHigh

CVSS7.2

Exploit probability—

ProductWazuh-manager

PublishedOct 13, 2026

First seenOct 13, 2026

Weakness typeCWE-863Incorrect authorization

How to fix

Update

Wazuh wazuh-manager4.14.8 or later

Patches

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

Vendor advisories

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

Affected products

Product	Affected versions	Fixed in
Wazuh wazuh-manager	4.6.0 ≤ v < 4.14.8	4.14.8

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