CVE-2026-9772
High
Description
Unraid Web Server FileUpload Command Injection 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 FileUpload.php. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of the www-data user. Was ZDI-CAN-30116.
SeverityHigh
CVSS8.8
Exploit probability—
ProductUnraid
PublishedJun 24, 2026
First seenJun 24, 2026
Weakness typeCWE-78OS command injection
How to fix
Update
- unraid unraid7.3.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| unraid unraid | v < 7.3.0 | 7.3.0 |
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