CVE-2026-9772 - Unraid Web Server FileUpload Command Injection Remote Code Execution Vulnerability

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HIGH

Unraid Web Server FileUpload Command Injection Remote Code Execution Vulnerability

Published Jun 24, 2026

8.8

HIGH

CVSS 3.0

EPSS 1.89%

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.

Affected products

Vendor Unraid Product Unraid Default
n/a
- Version
  1161ec120
  Status
  affected
  Constraints
  -

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Unraid

n/a

Version	Status	Constraints
1161ec120	affected	-

Remediation

No remediation recorded yet.

Weaknesses (1)

CWE-78

OS Command Injection

References (1)

https://www.zerodayinitiative.com/advisories/ZDI-26-385/
x_research-advisoryThird Party Advisory

Link	Providers	Tags
https://www.zerodayinitiative.com/advisories/ZDI-26-385/		x_research-advisoryThird Party Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner zdi

Published Jun 24, 2026

Updated Jun 26, 2026

Reserved May 27, 2026

Link CVE-2026-9772

CISA Vulnrichment

Updated Jun 25, 2026

NVD

Status Analyzed

Modified Jun 26, 2026

Link CVE-2026-9772

Red Hat

Severity n/a

Public date n/a

Links CVE-2026-9772