Malicious Code Injection in yuni-soto64-riris: A Threat to npm Ecosystem

yuni-soto64-riris Updated 27 Nov 2025

Summary

11/11/2025
CRITICAL
No i
Critical
Not published

MAL-2025-92748: Malicious code in yuni-soto64-riris (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

yuni-soto64-riris is an npm package that is part of the tea.xyz token reward campaign. This package is designed to facilitate token rewards by generating and publishing derivative packages. However, it has been identified as malicious due to its functionality that modifies package metadata and floods the npm registry with unwanted variants.

Vulnerability Detail

The vulnerability in yuni-soto64-riris stems from its malicious code that alters the package.json file by removing private flags, changing version numbers, and generating random package names. This behavior is intended to inflate developer reputation scores for token rewards while polluting the npm registry with numerous derivative packages. The origin of this vulnerability is linked to the tea.xyz token reward campaign, which employs such tactics to manipulate the npm ecosystem.

How To Fix

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

npm uninstall yuni-soto64-riris

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, you can avoid using the yuni-soto64-riris package and look for 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 yuni-soto64-riris package poses a significant threat to the npm ecosystem due to its malicious code that alters package metadata and floods the registry. It is crucial to uninstall this package and monitor your projects for vulnerabilities using tools like Vulert to ensure the security of your applications.

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FAQ

yuni-soto64-riris is an npm package associated with the tea.xyz token reward campaign, designed to generate and publish derivative packages.

The malicious code modifies your package.json file, potentially exposing your project to security risks and inflating npm registry with unwanted packages.

If you have installed yuni-soto64-riris, you should uninstall it immediately using the command: npm uninstall yuni-soto64-riris.

You can use tools like Vulert, which monitors your package-lock.json for vulnerabilities in real-time without requiring code access. You can also check your application against known vulnerabilities using the Vulert playground.

Yes, you should look for alternative packages that offer similar functionality but have a good reputation and are free from known vulnerabilities.

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How To Fix

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

npm uninstall yuni-soto64-riris

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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