CVE-2026-3838CWE-22

Unraid Update Request Path Traversal Remote Code Execution Vulnerability

High · published March 13, 2026

CVSS v3.0
8.8
EPSS
1%
Percentile
73.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.0
8.8 · HIGH
Vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01443 · 73.0th percentile
Weakness
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Published
2026-03-13T20:37Z
EPSS history
Timeline
  • 13 MAR 20:37Z
    Unraid Update Request Path Traversal Remote Code Execution Vulnerability
    cvelistv5