Malicious Code Injection in umi-lapis95-riris: A Threat to npm Ecosystem

umi-lapis95-riris Updated 27 Nov 2025

Summary

11/11/2025
CRITICAL
No i
Critical
Not published

MAL-2025-91458: Malicious code in umi-lapis95-riris (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The package umi-lapis95-riris is part of the npm ecosystem, which is widely used for JavaScript package management. This package is suspected to be involved in a token reward campaign that exploits npm's publishing capabilities. It is designed to automatically generate and publish derivative packages, which can lead to a polluted registry and inflated developer reputation scores.

Vulnerability Detail

The vulnerability in umi-lapis95-riris originates from its association with the tea.xyz token reward campaign. The package contains malicious scripts that modify the package.json file by removing private flags, altering version numbers, and generating random package names. This behavior can lead to the proliferation of unauthorized packages in the npm registry, potentially compromising the integrity of the ecosystem and affecting developers who rely on legitimate packages.

How To Fix

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

npm uninstall umi-lapis95-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 this package and instead look for alternative packages that provide similar functionality without the associated risks. Additionally, you can monitor your package-lock.json file for any unauthorized changes.

Conclusion

The umi-lapis95-riris package poses a significant threat due to its malicious code that can compromise the npm ecosystem. It is crucial for developers to remove this package and monitor their projects for any unauthorized changes. Utilizing tools like Vulert can help in identifying and mitigating such vulnerabilities effectively.

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FAQ

umi-lapis95-riris is an npm package that has been identified as containing malicious code aimed at exploiting the npm registry.

This vulnerability can lead to unauthorized package proliferation, potentially compromising your application's dependencies and security.

If you have installed umi-lapis95-riris, it is advisable to remove it immediately and monitor your project for any unauthorized changes.

Yes, you can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time using just your package-lock.json file. You can check your application at Vulert Scanner.

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

Sponsored Lume, the Habilume companion Habilume Habit tracker with a companion that grows with you Complete habits, earn Lume Points, and watch your Lume grow as you stay consistent. App Store Google Play

How To Fix

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

npm uninstall umi-lapis95-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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