ZDI-26-171: 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.
Other sources
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Unraid. Authentication is required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 8.8. The following CVEs are assigned: CVE-2026-3838.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-26-171?
The severity of ZDI-26-171 is rated high with a score of 8.8.
How do I fix ZDI-26-171?
To fix ZDI-26-171, ensure that you update your Unraid installation to the latest version where this vulnerability is patched.
What type of attack does ZDI-26-171 allow?
ZDI-26-171 allows remote code execution due to a path traversal vulnerability.
Is authentication required to exploit ZDI-26-171?
Yes, authentication is required to exploit the ZDI-26-171 vulnerability.
Which file is associated with the ZDI-26-171 vulnerability?
The ZDI-26-171 vulnerability specifically involves the update.php file in Unraid.