Malicious Code Injection in uniform_koi_0xrequest Package

uniform_koi_0xrequest Updated 18 Nov 2025

Summary

11/11/2025
CRITICAL
No i
Critical
Not published

MAL-2025-110125: Malicious code in uniform_koi_0xrequest (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The uniform_koi_0xrequest package is part of the npm ecosystem, typically used for various JavaScript applications. It has been identified as part of a malicious campaign that floods the npm registry with derivative packages. These packages are designed to inflate developer reputation scores through automated publishing scripts, which can lead to significant security risks for users who inadvertently install them.

Vulnerability Detail

The vulnerability in the uniform_koi_0xrequest package stems from its association with a malicious campaign that modifies the package.json file to remove private flags and change version numbers. This allows the package to continuously republish itself with randomized names, polluting the npm registry. The malicious payload can lead to unauthorized access, data breaches, and a compromised development environment, as developers may unknowingly install these harmful packages.

How To Fix

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

npm uninstall uniform_koi_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, avoid using the uniform_koi_0xrequest package and consider using alternative packages that provide similar functionality without the associated risks. Additionally, regularly audit your dependencies using tools like npm audit to identify and mitigate vulnerabilities.

Conclusion

The uniform_koi_0xrequest package poses a significant security risk due to its malicious code designed to manipulate the npm registry. It is crucial for developers to remove this package and monitor their dependencies for vulnerabilities to maintain a secure development environment.

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FAQ

It is an npm package that has been identified as part of a malicious campaign to inflate developer reputation scores through automated publishing.

You can use the Vulert platform to monitor and alert for open-source vulnerabilities in your software. Check your application against the vulnerability using the Vulert playground.

Using this package can lead to unauthorized access, data breaches, and a compromised development environment due to its malicious nature.

Regularly audit your dependencies, use trusted packages, and stay updated on security advisories related to the packages you use.

Yes, Vulert allows you to monitor your dependencies in real-time for open-source vulnerabilities using just your package-lock.json file.

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How To Fix

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

npm uninstall uniform_koi_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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