Critical Malicious Code Vulnerability in nextjs-https-supertest Package
Summary
MAL-2025-5938: Malicious code in nextjs-https-supertest (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The nextjs-https-supertest package is an npm library designed to facilitate testing of HTTP requests in Next.js applications. It provides developers with tools to perform end-to-end testing by simulating server responses and handling HTTPS requests. However, this package has been identified to contain embedded malicious code, posing significant security risks to any application utilizing it.
Vulnerability Detail
The vulnerability stems from the presence of embedded malicious code within the nextjs-https-supertest package. This code can compromise any computer that has the package installed, allowing unauthorized access to sensitive information such as secrets and keys. The malicious nature of the code means that even after removal of the package, there is no guarantee that all traces of the malicious software will be eliminated. This vulnerability is classified under CWE-506, indicating that the code appears to be malicious in nature.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall nextjs-https-supertestIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
Currently, the best workaround is to avoid using the nextjs-https-supertest package altogether until a secure version is released. If you need similar functionality, consider using alternative packages that do not have known vulnerabilities.
Conclusion
The nextjs-https-supertest package contains embedded malicious code that poses a severe security risk to any system using it. Immediate action is required to uninstall the package and secure any compromised information. Utilizing tools like Vulert can help monitor for such vulnerabilities in the future.
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FAQ
Immediately uninstall the package and rotate any sensitive information that may have been compromised.
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Using such a package can lead to unauthorized access to sensitive data, potential data breaches, and complete compromise of the affected system.
While removing the package is necessary, there is no guarantee that all malicious software will be removed. It is essential to rotate any secrets and keys stored on the affected system.
Yes, consider using other testing libraries that do not have known vulnerabilities, such as supertest or axios for HTTP requests.
