8.8
HIGH CVSS 3.0
CVE-2026-9773
Unraid Web Server ToggleState Command Injection Remote Code Execution Vulnerability
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.

INFO

Published Date :

June 24, 2026, 10:16 p.m.

Last Modified :

June 26, 2026, 8:15 p.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2026-9773 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Unraid unraid
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 134c704f-9b21-4f2e-91b3-4a467353bcc0
CVSS 3.0 HIGH 99f1926a-a320-47d8-bbb5-42feb611262e
CVSS 3.0 HIGH MITRE-CVE
CVSS 3.0 HIGH [email protected]
Solution
Validate user input before executing system commands to prevent code execution.
  • Apply vendor patches for Unraid.
  • Sanitize all user-supplied input.
  • Avoid executing system calls with user input.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-9773.

URL Resource
https://www.zerodayinitiative.com/advisories/ZDI-26-386/ Third Party Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-9773 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-9773 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-9773 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Jun. 26, 2026

    Action Type Old Value New Value
    Added CPE Configuration OR *cpe:2.3:o:unraid:unraid:*:*:*:*:*:*:*:* versions up to (excluding) 7.3.0
    Added Reference Type Zero Day Initiative: https://www.zerodayinitiative.com/advisories/ZDI-26-386/ Types: Third Party Advisory
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jun. 25, 2026

    Action Type Old Value New Value
    Added SSVC {'id': 'CVE-2026-9773', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-06-25T12:55:40.571043Z'}
  • New CVE Received by [email protected]

    Jun. 24, 2026

    Action Type Old Value New Value
    Added Affected [{'vendor': 'Unraid', 'product': 'Unraid', 'versions': [{'status': 'affected', 'version': '1161ec120'}], 'defaultStatus': 'unknown'}]
    Added 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.
    Added CVSS V3 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-78
    Added Reference https://www.zerodayinitiative.com/advisories/ZDI-26-386/
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.