Malicious Code Injection in mighty_squirrel_0xrequest Package

mighty_squirrel_0xrequest Updated 24 Nov 2025

Summary

11/11/2025
CRITICAL
No i
Critical
Not published

MAL-2025-105835: Malicious code in mighty_squirrel_0xrequest (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The mighty_squirrel_0xrequest package is part of the npm ecosystem, primarily used for various JavaScript applications. It is designed to facilitate requests in a lightweight manner. However, this package has been identified as part of a malicious campaign that aims to exploit npm's publishing system, leading to potential security risks for developers and users alike.

Vulnerability Detail

The vulnerability in the mighty_squirrel_0xrequest package stems from its association with the tea.xyz token reward campaign, which has been flooding the npm registry with malicious packages. These packages contain scripts that automatically generate and publish derivative versions with altered package.json files, removing private flags and changing version numbers. This behavior can lead to the pollution of the npm registry, compromising the integrity of the ecosystem and potentially allowing attackers to execute malicious code on systems that utilize these packages.

How To Fix

This package is malicious. Remove it and rotate any credentials it could have accessed.

npm uninstall mighty_squirrel_0xrequest

If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.

Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →

Workaround

As a temporary workaround, avoid using the mighty_squirrel_0xrequest package and consider utilizing alternative packages that provide similar functionality without the associated risks. Always verify the integrity and reputation of packages before including them in your project.

Conclusion

The mighty_squirrel_0xrequest package poses a significant security risk due to its malicious code designed to exploit npm's publishing system. Developers should take immediate action to remove this package and consider alternatives. Utilizing tools like Vulert can help in monitoring and preventing future vulnerabilities.

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FAQ

It is an npm package used for making lightweight requests in JavaScript applications, but it has been compromised with malicious code.

If your application uses this package, it may be at risk of executing malicious code, leading to potential data breaches or system compromises.

You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. Visit Vulert Scanner to check your application without needing to sign up.

Immediately uninstall the package and look for alternatives. Ensure to audit your project for any other potentially vulnerable packages.

Regularly audit your dependencies, use tools like Vulert for monitoring, and stay informed about the packages you include in your projects.

How To Fix

This package is malicious. Remove it and rotate any credentials it could have accessed.

npm uninstall mighty_squirrel_0xrequest

If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.

Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →

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