Malicious Code Detected in cycle-monorepo-sandbox-http Package
Summary
MAL-2025-17870: Malicious code in cycle-monorepo-sandbox-http (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The cycle-monorepo-sandbox-http package is a Node.js library designed for managing and facilitating HTTP requests within a monorepo structure. It provides developers with tools to streamline their workflow and enhance the efficiency of their applications. However, this package has been found to contain malicious code, posing significant risks to users and their applications.
Vulnerability Detail
The vulnerability stems from the inclusion of malicious code within the cycle-monorepo-sandbox-http package. This code can potentially compromise the security of applications that utilize this package, leading to unauthorized access, data breaches, or other malicious activities. The package was introduced without proper vetting, making it susceptible to exploitation by attackers.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall cycle-monorepo-sandbox-httpIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary measure, users can remove the cycle-monorepo-sandbox-http package from their project until a secure version is released. This can be done using the command: npm uninstall cycle-monorepo-sandbox-http. Alternatively, consider using a different package that offers similar functionality without the associated risks.
Conclusion
The discovery of malicious code in the cycle-monorepo-sandbox-http package highlights the importance of vigilance in managing open-source dependencies. Users are encouraged to update their packages promptly and utilize tools like Vulert to monitor for vulnerabilities effectively.
See every vulnerability recorded for cycle-monorepo-sandbox-http →
FAQ
It is a Node.js library designed to manage HTTP requests within a monorepo setup, aimed at improving development efficiency.
The malicious code was identified by security researchers from Amazon Inspector, who reported the findings to the community.
Using the compromised package can lead to unauthorized access to sensitive data, potential data breaches, and exploitation of application vulnerabilities.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time using just your package-lock.json file. Visit https://vulert.com for more information.
Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
