Malicious Code Injection in wee_guppy_0xrequest: npm Package Vulnerability

wee_guppy_0xrequest Updated 18 Nov 2025

Summary

11/11/2025
CRITICAL
No i
Critical
Not published

MAL-2025-110785: Malicious code in wee_guppy_0xrequest (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The 'wee_guppy_0xrequest' package is part of the npm ecosystem and is associated with the tea.xyz token reward campaign. This package is designed to facilitate certain functionalities within the npm registry but has been compromised, leading to significant security concerns. The vulnerability allows for the automatic generation and publication of derivative packages, which can manipulate developer reputation scores.

Vulnerability Detail

The vulnerability in 'wee_guppy_0xrequest' originates from its involvement in a malicious campaign that floods the npm registry with derivative packages. The malicious code modifies the package.json file to remove private flags, alters version numbers, and generates random package names, which can lead to the pollution of the npm registry. This not only affects the integrity of the npm ecosystem but also poses risks to developers who may unknowingly use these compromised packages.

How To Fix

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

npm uninstall wee_guppy_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 remove the 'wee_guppy_0xrequest' package from your project by executing: 'npm uninstall wee_guppy_0xrequest'. This will prevent any malicious code from executing until a secure version is available.

Conclusion

The 'wee_guppy_0xrequest' package has been identified as having a serious vulnerability due to malicious code that affects the npm ecosystem. It is crucial for developers to take immediate action by updating or removing the package to safeguard their projects.

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FAQ

The vulnerability involves malicious code that modifies package.json files and floods the npm registry with compromised packages.

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

Using the compromised package can lead to the pollution of the npm registry and may expose your project to further security risks.

Check the npm registry for any updated versions of the package that may contain security patches.

As a temporary measure, uninstall the package using 'npm uninstall wee_guppy_0xrequest' to mitigate risks until a secure version is released.

How To Fix

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

npm uninstall wee_guppy_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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