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CVE-2026-3839

HIGH CVSS 3.0: 7.3 EPSS 0.25%
Updated Mar 17, 2026
PHP
Parameter Value
CVSS 7.3 (HIGH)
Type CWE-22 (Path Traversal)
Vendor PHP
Public PoC No

Unraid Authentication Request Path Traversal Authentication Bypass Vulnerability. This vulnerability allows remote attackers to bypass authentication on affected installations of Unraid. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the auth-request.php file. The issue results from the lack of proper validation of a user-supplied path prior to using it in authentications. An attacker can leverage this vulnerability to bypass authentication on the system.

Was ZDI-CAN-28912.

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
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
Low
Partial disruption

CVSS Vector v3.0

Weakness Type (CWE)

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Unraid Unraid
cpe:2.3:o:unraid:unraid:7.2.3:*:*:*:*:*:*:*