Critical Malicious Code Vulnerability in json-mapping-srcs Package
Summary
MAL-2026-1017: Malicious code in json-mapping-srcs (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The json-mapping-srcs package is an npm library designed for mapping JSON data sources. It is commonly used in web applications to facilitate data manipulation and integration. However, this package has been identified as containing malicious code, which poses a significant security risk to any system utilizing it.
Vulnerability Detail
The vulnerability originates from the inclusion of embedded malicious code within the json-mapping-srcs package. This code can compromise any computer that has the package installed, granting unauthorized access to sensitive information such as secrets and keys. The ramifications of this vulnerability are severe, as it can lead to complete control of the affected system by an external entity. Users are advised to treat any system running this package as fully compromised.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall json-mapping-srcsIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
There are no effective workarounds for this vulnerability. The only recommended action is to uninstall the json-mapping-srcs package and secure your system.
Conclusion
The json-mapping-srcs package contains malicious code that poses a serious security threat. Users must uninstall the package immediately and take steps to secure their systems. Regular monitoring for vulnerabilities using tools like Vulert is recommended to maintain security in open-source projects.
See every vulnerability recorded for json-mapping-srcs →
FAQ
You should uninstall the package immediately and rotate any sensitive information stored on the affected system.
You can use Vulert's playground at Vulert Scanner to check if your application is affected by this vulnerability without requiring any signup.
Keeping this package installed poses a significant risk as it can allow attackers to gain unauthorized access to your system and sensitive data.
No, there is currently no patched version available for the json-mapping-srcs package. The only safe action is to uninstall it.
You can use Vulert, which monitors and alerts in real-time for open-source vulnerabilities in your software by analyzing your package-lock.json file.
