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Vulnerability record · CVE-2026-9773 · published 24 June 2026

CVE-2026-9773: Unraid os command injection vulnerability

Unraid · Unraid

Unraid Web Server ToggleState 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 ToggleState.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-30134.

8.8 CVSS 3.0 High EPSS 1.9% · top 21.3% CWE-78 · OS command injection
8.8CVSS 3.0 base score
1.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
26 Jun 2026Last modified by NVD

Description

Unraid Web Server ToggleState 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 ToggleState.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-30134.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.zerodayinitiative.com/advisories/ZDI-26-386/ Third Party Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-9773), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.