Malicious Code Injection in continuing_tuna_z3n Package

continuing_tuna_z3n Updated 27 Nov 2025

Summary

11/11/2025
CRITICAL
No i
Critical
Not published

MAL-2025-93778: Malicious code in continuing_tuna_z3n (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The continuing_tuna_z3n package is part of the npm ecosystem, which is widely used for JavaScript development. This package is associated with the tea.xyz token reward campaign, which has been known to flood the npm registry with malicious packages. The primary function of this package is to facilitate token rewards, but it has been compromised to include harmful scripts that manipulate package metadata.

Vulnerability Detail

The vulnerability in the continuing_tuna_z3n package stems from its inclusion in a malicious campaign that aims to inflate developer reputation scores through the automatic generation and publication of derivative packages. The malicious payload alters the package.json file by removing private flags, changing version numbers, and generating random package names. This behavior not only pollutes the npm registry but also poses a risk to developers who may unknowingly use these compromised packages, leading to potential security breaches in their applications.

How To Fix

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

npm uninstall continuing_tuna_z3n

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 continuing_tuna_z3n package altogether and look for alternative packages that provide similar functionality without the associated risks. Additionally, you can use the following command to audit your npm packages for vulnerabilities: npm audit.

Conclusion

The continuing_tuna_z3n package poses a significant security risk due to its malicious code that alters package metadata and floods the npm registry. It is crucial for developers to remove this package and monitor their projects for vulnerabilities to maintain the integrity of their applications.

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FAQ

The continuing_tuna_z3n package is an npm package that has been linked to a malicious campaign aimed at inflating developer reputation scores through automated package publishing.

This vulnerability can lead to the inclusion of malicious code in your application, potentially compromising its security and integrity.

You should immediately uninstall the continuing_tuna_z3n package and check your project for any other compromised packages.

Yes, you can use Vulert, which monitors your package-lock.json file for open-source vulnerabilities in real-time without requiring code access or installation.

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

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How To Fix

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

npm uninstall continuing_tuna_z3n

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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