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CVE-2026-3839

nvd nist
Published: Mar 16, 2026Modified: Jun 17, 2026

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7.3
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Exploitability: 3.9 / Impact: 3.4
Source: zdi-disclosures@trendmicro.com (Secondary)

Description

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.

Affected (1)

Products: Unraid: Unraid
Unraid
1 product
Unraid
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Unraid
Version 7.2.3

Related CWEs

CWE-22
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

References (1)

Source: zdi-disclosures@trendmicro.com
Third Party Advisory

Timeline

No history available yet.