CVE-2026-3838 HIGH

CVE-2026-3838: Unraid Update Request Path Traversal Remote Code Execution Vulnerability

Vendor Unraid
Product Unraid
Weakness CWE-22 · Path traversal
Published March 13, 2026
Last update March 16, 2026
View on NVD All CVEs

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Unraid Update Request Path Traversal Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Unraid. Authentication is required to exploit this vulnerability. The specific flaw exists within the update.php file. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-28951.

Key dates

02Disclosure timeline

March 13, 2026 CVE published
March 16, 2026 Record updated