Critical Malicious Code Vulnerability in eslint-plugin-supertest
Summary
MAL-2026-100: Malicious code in eslint-plugin-supertest (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
eslint-plugin-supertest is an npm package that provides a set of utilities for testing HTTP requests in Node.js applications. It allows developers to write tests for their APIs using Supertest, a popular testing library. However, this package has been compromised, leading to a severe security vulnerability that can fully compromise any system where it is installed.
Vulnerability Detail
The vulnerability originates from malicious code embedded within the eslint-plugin-supertest package. This code can grant unauthorized access to an attacker, allowing them to control the affected system completely. The ramifications are severe, as all secrets and keys stored on the compromised machine may be exposed. Users are advised to treat any system with this package installed as fully compromised.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall eslint-plugin-supertestIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
Currently, there are no workarounds that can mitigate the risks associated with this vulnerability. The only safe action is to uninstall the affected package.
Conclusion
The eslint-plugin-supertest package has been compromised with malicious code, posing a significant risk to any system where it is installed. Immediate action is required to uninstall the package and secure any sensitive information. Utilizing tools like Vulert can help in monitoring for such vulnerabilities in the future.
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FAQ
You should immediately uninstall the package using 'npm uninstall eslint-plugin-supertest' and rotate any sensitive information stored on the affected machine.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. Visit Vulert Scanner to check if your application is affected without needing to sign up.
Keeping this package installed can lead to complete system compromise, exposing sensitive data and allowing unauthorized access to your system.
No, there is currently no patched version available. The only solution is to remove the package entirely.
Regularly monitor your dependencies for vulnerabilities using tools like Vulert and keep your packages updated to the latest versions.
References
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