Malicious Code Injection in muklis-6 Package: npm Vulnerability Overview
Summary
MAL-2025-160846: Malicious code in muklis-6 (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The muklis-6 package is part of the npm ecosystem, primarily used for JavaScript development. It is often utilized in various applications for its functionalities related to package management. However, this package has been identified as part of a malicious campaign that aims to exploit npm's repository by flooding it with derivative packages, thereby inflating developer reputation scores for token rewards.
Vulnerability Detail
The vulnerability in the muklis-6 package stems from its association with the tea.xyz token reward campaign. This package contains malicious scripts that modify the package.json file by removing private flags, altering version numbers, and generating random package names. The scripts continuously republish these variants, polluting the npm registry and potentially compromising the integrity of other packages. This poses a significant risk to developers who may unknowingly use these compromised packages in their projects.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall muklis-6If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As an immediate workaround, you can avoid using the muklis-6 package and any other packages associated with the tea.xyz token reward campaign. Regularly audit your project's dependencies using tools like npm audit to identify and mitigate potential vulnerabilities.
Conclusion
The muklis-6 package poses a significant security risk due to its malicious code designed to exploit npm's repository. It is essential for developers to remove this package from their projects and utilize tools like Vulert to monitor for vulnerabilities. Regular updates and audits of dependencies can help maintain the security of your applications.
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FAQ
The muklis-6 package is an npm package used in JavaScript development, but it has been identified as part of a malicious campaign.
The vulnerability can lead to the inclusion of malicious code in your project, potentially compromising its security and integrity.
You should uninstall the muklis-6 package immediately using the command: npm uninstall muklis-6.
You can use tools like Vulert, which monitors your package-lock.json file for open-source vulnerabilities in real-time.
Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without requiring any signup.
