Malicious Code Injection in muklis-18: A Threat to npm Ecosystem
Summary
MAL-2025-160801: Malicious code in muklis-18 (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The package 'muklis-18' is part of the npm ecosystem, which is widely used for JavaScript package management. This package is associated with the tea.xyz token reward campaign, which has been known to flood the npm registry with malicious packages. The primary functionality of muklis-18 is to generate and publish derivative packages, but it has been compromised to serve malicious purposes.
Vulnerability Detail
The vulnerability in muklis-18 originates from its design to automatically generate and publish packages with randomized names, aimed at inflating developer reputation scores for token rewards. The malicious payload alters the package.json file by removing private flags, changing version numbers, and continuously republishing variants, which can lead to pollution of the npm registry and potential exploitation by attackers.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall muklis-18If 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 remove the muklis-18 package from your project by executing 'npm uninstall muklis-18'. This will prevent any malicious code from executing until a secure version is available.
Conclusion
The muklis-18 package poses a significant threat to the npm ecosystem due to its malicious code designed to manipulate package publishing. It is essential to take immediate action by updating or removing the package to safeguard your projects from potential exploitation.
See every vulnerability recorded for muklis-18 →
FAQ
Muklis-18 is an npm package that has been identified as malicious, designed to generate and publish derivative packages for token rewards.
The vulnerability can lead to the pollution of the npm registry and may expose your project to further security risks if the malicious code is executed.
You can use the Vulert platform to monitor and alert for open-source vulnerabilities in your software without needing access to the code. Visit Vulert Scanner to check if your application is affected.
Regularly updating your dependencies and using tools like Vulert can help monitor for vulnerabilities and alert you in real-time.
If you have installed muklis-18, it is crucial to uninstall it immediately and check for any other affected packages in your project.
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