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Description

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.

PUBLISHED Reserved 2026-03-09 | Published 2026-03-13 | Updated 2026-03-13 | Assigner zdi




HIGH: 8.8CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Problem types

CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Product status

Default status
unknown

7.2.3
affected

References

www.zerodayinitiative.com/advisories/ZDI-26-171/ (ZDI-26-171)

cve.org (CVE-2026-3838)

nvd.nist.gov (CVE-2026-3838)

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