Malicious Code Injection in muklis-4 Package: npm Vulnerability Overview
Summary
MAL-2025-160824: Malicious code in muklis-4 (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The muklis-4 package is part of the npm ecosystem and is associated with the tea.xyz token reward campaign. This package is designed to facilitate token rewards through various automated scripts. However, it has been identified as containing malicious code that compromises its integrity and the security of applications that depend on it.
Vulnerability Detail
The vulnerability in the muklis-4 package 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, leading to the continuous republishing of these variants. This behavior not only inflates developer reputation scores but also pollutes the npm registry, posing a significant risk to developers and users relying on this package.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall muklis-4If 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 prevent the installation of the muklis-4 package by using npm's package-lock.json to lock down your dependencies. Ensure that your project does not include muklis-4 in its dependencies.
Conclusion
The muklis-4 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 dependencies for vulnerabilities to maintain the integrity of their applications.
See every vulnerability recorded for muklis-4 →
FAQ
The muklis-4 package is an npm package associated with the tea.xyz token reward campaign, designed to automate the generation and publication of derivative packages.
The vulnerability can lead to the pollution of the npm registry and may compromise the integrity of your application by introducing malicious code.
You should immediately remove the muklis-4 package from your project and update your dependencies to eliminate any potential risks.
Yes, you can use Vulert, which monitors and alerts in real-time for open-source vulnerabilities using just your package-lock.json file.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without requiring any signup.
