ZDI-26-386: Unraid Web Server ToggleState Command Injection Remote Code Execution Vulnerability
A command injection vulnerability exists in the Unraid Web Server's ToggleState.php component, allowing authenticated remote attackers to execute arbitrary code as the www-data user. This flaw arises from improper validation of user-supplied input before executing system calls. The vulnerability is rated critical with a CVSS score of 8.8 and is fixed in Unraid version 7.3.0 stable.
AI Analysis
Technical Summary
The Unraid Web Server ToggleState command injection vulnerability (CVE-2026-9773) allows remote attackers with authentication to execute arbitrary code on affected systems. The vulnerability is due to insufficient validation of a user-supplied string used in a system call within ToggleState.php. Exploitation results in code execution under the www-data user context. The vulnerability has a CVSS score of 8.8, indicating high severity. The issue was reported on 2026-04-22 and publicly disclosed on 2026-06-24. A fix is available in Unraid version 7.3.0 stable.
Potential Impact
Successful exploitation enables an authenticated remote attacker to execute arbitrary code on the Unraid server with www-data privileges. This can lead to full compromise of the affected system, including confidentiality, integrity, and availability impacts.
Mitigation Recommendations
Apply the official patch by upgrading to Unraid version 7.3.0 stable or later, where this vulnerability is fixed. Since a fix is available, updating the software is the recommended remediation. No additional vendor advisories indicate alternative mitigations or that no action is required.
ZDI-26-386: Unraid Web Server ToggleState Command Injection Remote Code Execution Vulnerability
Description
A command injection vulnerability exists in the Unraid Web Server's ToggleState.php component, allowing authenticated remote attackers to execute arbitrary code as the www-data user. This flaw arises from improper validation of user-supplied input before executing system calls. The vulnerability is rated critical with a CVSS score of 8.8 and is fixed in Unraid version 7.3.0 stable.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The Unraid Web Server ToggleState command injection vulnerability (CVE-2026-9773) allows remote attackers with authentication to execute arbitrary code on affected systems. The vulnerability is due to insufficient validation of a user-supplied string used in a system call within ToggleState.php. Exploitation results in code execution under the www-data user context. The vulnerability has a CVSS score of 8.8, indicating high severity. The issue was reported on 2026-04-22 and publicly disclosed on 2026-06-24. A fix is available in Unraid version 7.3.0 stable.
Potential Impact
Successful exploitation enables an authenticated remote attacker to execute arbitrary code on the Unraid server with www-data privileges. This can lead to full compromise of the affected system, including confidentiality, integrity, and availability impacts.
Mitigation Recommendations
Apply the official patch by upgrading to Unraid version 7.3.0 stable or later, where this vulnerability is fixed. Since a fix is available, updating the software is the recommended remediation. No additional vendor advisories indicate alternative mitigations or that no action is required.
Technical Details
- Article Source
- {"url":"http://www.zerodayinitiative.com/advisories/ZDI-26-386/","fetched":true,"fetchedAt":"2026-06-24T22:24:32.640Z","wordCount":182}
Threat ID: 6a3c59a14853345fc1ee95bc
Added to database: 06/24/2026, 22:26:41 UTC
Last enriched: 06/24/2026, 22:26:59 UTC
Last updated: 06/24/2026, 22:41:04 UTC
Views: 3
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.