CVE-2026-90581: Code Injection in cym1102 nginxWebUI
CVE-2026-90581 is a medium severity code injection vulnerability in cym1102 nginxWebUI versions 4.4.0, 4.4.1, and 4.4.2. The flaw exists in the MainController.autoUpdate function within the /adminPage/main/autoUpdate file, where manipulation of the 'url' argument can lead to code injection. Remote exploitation is possible. A fix has been developed but is pending acceptance in a pull request.
AI Analysis
Technical Summary
This vulnerability affects cym1102 nginxWebUI up to version 4.4.2. It arises from improper handling of the 'url' argument in the MainController.autoUpdate function, allowing an attacker to inject code remotely. The vulnerability has been publicly disclosed, and exploit code may be available. However, the fix is not yet officially released, as the pull request addressing the issue awaits acceptance.
Potential Impact
Successful exploitation allows remote attackers to perform code injection via the 'url' parameter in the autoUpdate function, potentially leading to unauthorized code execution. The CVSS 4.0 base score is 5.3 (medium severity), indicating a moderate impact with network attack vector, low attack complexity, and no user interaction required.
Mitigation Recommendations
A fix for this vulnerability is not yet officially available. The vendor has a pull request pending acceptance to address the issue. Until the patch is accepted and released, users should exercise caution when exposing the affected functionality and consider applying temporary controls such as input validation or restricting access to the vulnerable endpoint. Monitor the vendor advisory for updates on the patch status.
CVE-2026-90581: Code Injection in cym1102 nginxWebUI
Description
CVE-2026-90581 is a medium severity code injection vulnerability in cym1102 nginxWebUI versions 4.4.0, 4.4.1, and 4.4.2. The flaw exists in the MainController.autoUpdate function within the /adminPage/main/autoUpdate file, where manipulation of the 'url' argument can lead to code injection. Remote exploitation is possible. A fix has been developed but is pending acceptance in a pull request.
CVSS v4.0
Score 5.3medium
Affected software
cym1102
nginxWebUI
pkg:github/cym1102/nginxWebUIcpe:2.3:a:cym1102:nginxwebui:*:*:*:*:*:*:*:*Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects cym1102 nginxWebUI up to version 4.4.2. It arises from improper handling of the 'url' argument in the MainController.autoUpdate function, allowing an attacker to inject code remotely. The vulnerability has been publicly disclosed, and exploit code may be available. However, the fix is not yet officially released, as the pull request addressing the issue awaits acceptance.
Potential Impact
Successful exploitation allows remote attackers to perform code injection via the 'url' parameter in the autoUpdate function, potentially leading to unauthorized code execution. The CVSS 4.0 base score is 5.3 (medium severity), indicating a moderate impact with network attack vector, low attack complexity, and no user interaction required.
Mitigation Recommendations
A fix for this vulnerability is not yet officially available. The vendor has a pull request pending acceptance to address the issue. Until the patch is accepted and released, users should exercise caution when exposing the affected functionality and consider applying temporary controls such as input validation or restricting access to the vulnerable endpoint. Monitor the vendor advisory for updates on the patch status.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-09-12T16:44:07.221Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6aa6fdb655bf5e2cf5ff9409
Added to database: 09/13/2026, 19:47:02 UTC
Last enriched: 09/13/2026, 20:01:30 UTC
Last updated: 09/13/2026, 20:10:43 UTC
Views: 4
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