Malicious Code Injection in free_wolverine_0xrequest Package

free_wolverine_0xrequest Updated 24 Nov 2025

Summary

11/11/2025
CRITICAL
No i
Critical
Not published

MAL-2025-102915: Malicious code in free_wolverine_0xrequest (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The free_wolverine_0xrequest package is part of the npm ecosystem, which is widely used for JavaScript development. This package, like many others, is intended to facilitate various functionalities in applications. However, it has been identified as part of a malicious campaign that floods the npm registry with harmful packages designed to manipulate developer reputation scores through automated publishing scripts.

Vulnerability Detail

The vulnerability in the free_wolverine_0xrequest package stems from its involvement in a malicious campaign associated with the tea.xyz token reward initiative. This package contains scripts that automatically modify the package.json file to remove private flags, alter version numbers, and generate random package names. These actions lead to the continuous republishing of variants, which pollutes the npm registry and can compromise the integrity of applications relying on this package.

How To Fix

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

npm uninstall free_wolverine_0xrequest

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

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Workaround

As a temporary workaround, you can avoid using the free_wolverine_0xrequest package and seek alternative packages that provide similar functionality without the associated risks. Additionally, you can monitor your project for vulnerabilities using tools like Vulert, which can alert you to any open-source vulnerabilities in your software.

Conclusion

The free_wolverine_0xrequest package poses a significant risk due to its malicious code that alters package configurations and floods the npm registry. It is crucial to uninstall this package and monitor your applications for vulnerabilities to maintain security.

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FAQ

The free_wolverine_0xrequest package is an npm package used in JavaScript development, but it has been identified as malicious.

This vulnerability can compromise your application's integrity by introducing malicious code that alters package configurations and floods the npm registry.

You should uninstall the free_wolverine_0xrequest package immediately and check for any dependencies that may be affected.

Yes, tools like Vulert can help monitor your project for open-source vulnerabilities in real-time without requiring code access.

You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without signing up.

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How To Fix

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

npm uninstall free_wolverine_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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