CVE-2026-39359

HIGH CVSS 3.1: 7.5 EPSS 0.29%
Updated Jul 20, 2026
Wazuh
Parameter Value
CVSS 7.5 (HIGH)
Affected Versions 4.0.0 — 4.14.5
Fixed In 4.10.4
Type CWE-22 (Path Traversal)
Vendor Wazuh
Public PoC No

Wazuh is a free and open source platform used for threat prevention, detection, and response. In versions 4.0.0 through 4.10.3 and 4.11.0 through 4.14.4, a logic flaw affects the Wazuh Manager's enrollment daemon (authd) and synchronization daemon (remoted). The authd process allows agents to select a group during enrollment but does not filter path traversal sequences such as "..." While the manager checks for the group directory using wopendir(), the ".." sequence references the parent directory (/var/ossec/etc), allowing it to pass validation.

After the malicious group is accepted and stored in the manager's global database, the remoted process uses this unchecked value to build paths for agent configuration synchronization. As a result, sensitive files from /var/ossec/etc, such as client.keys, ossec.conf, and internal certificates, are included in the agent's shared configuration stream and exposed to the attacker. This issue has been fixed in versions 4.10.4 and 4.14.5.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
None
No data modification
Availability
None
No disruption

CVSS Vector v3.1

Weakness Type (CWE)

Vulnerable Products 2

Configuration From (including) Up to (excluding)
Wazuh Wazuh
cpe:2.3:a:wazuh:wazuh:*:*:*:*:*:*:*:*
4.0.0 4.10.4
Wazuh Wazuh
cpe:2.3:a:wazuh:wazuh:*:*:*:*:*:*:*:*
4.11.0 4.14.5