Wazuh Server 4.0.0 < 4.14.5 Incorrect Authorization (CVE-2026-44252)

high Nessus Plugin ID 339365

Synopsis

The remote host contains a threat prevention, detection, and response platform that is affected by an incorrect authorization vulnerability.

Description

The version of Wazuh Server on the remote host is at least 4.0.0 and prior to 4.14.5. It is, therefore, affected by an incorrect authorization vulnerability:

- A low-privilege read-only API user with manager:read permission can retrieve the cluster key from ossec.conf. An attacker can use the disclosed Fernet key to impersonate a cluster worker and submit distributed API requests with attacker-controlled RBAC permissions, gaining full administrative control. (CVE-2026-44252)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to Wazuh Server version 4.14.5 or later.

See Also

http://www.nessus.org/u?00f9f413

Plugin Details

Severity: High

ID: 339365

File Name: wazuh_server_CVE-2026-44252.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Misc.

Published: 8/25/2026

Updated: 8/25/2026

Configuration: Enable thorough checks (optional)

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.3

Percentile: 53.51

CVSS v2

Risk Factor: Medium

Base Score: 5.5

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

CVSS Score Source: CVE-2026-44252

CVSS v3

Risk Factor: High

Base Score: 8.1

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

CVSS v4

Risk Factor: High

Base Score: 7.7

Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Vulnerability Information

CPE: cpe:/a:wazuh:wazuh

Required KB Items: installed_sw/Wazuh-Manager

Patch Publication Date: 8/7/2026

Vulnerability Publication Date: 8/7/2026

Reference Information

CVE: CVE-2026-44252

CWE: 863