Malicious Code Injection in muklis-28 Package: A Threat to npm Ecosystem
Summary
MAL-2025-160812: Malicious code in muklis-28 (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The muklis-28 package is part of a broader campaign targeting the npm ecosystem, specifically designed to exploit the tea.xyz token reward system. This package is intended for developers seeking to enhance their reputation within the npm registry. However, it has been compromised to include malicious scripts that manipulate package metadata and flood the registry with derivative packages.
Vulnerability Detail
The vulnerability originates from the malicious code embedded in the muklis-28 package, which modifies the package.json file to remove private flags, alters version numbers, and generates random package names. This results in the continuous republishing of these variants, ultimately polluting the npm registry and potentially harming developers' reputations and project integrity. The malicious payload is designed to inflate developer scores for token rewards, making it a significant threat to the npm ecosystem.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall muklis-28If 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 avoid using the muklis-28 package and look for alternative packages that provide similar functionality without the associated risks. Additionally, regularly audit your package-lock.json file for any vulnerabilities using tools like Vulert.
Conclusion
The muklis-28 package poses a significant threat to the npm ecosystem due to its malicious code that manipulates package metadata and floods the registry. It is essential to remove this package from your projects and monitor for vulnerabilities using tools like Vulert to ensure the integrity of your applications.
See every vulnerability recorded for muklis-28 →
FAQ
The muklis-28 package is part of a malicious campaign targeting the npm ecosystem, designed to exploit the tea.xyz token reward system.
The vulnerability can lead to the pollution of the npm registry, affecting your project's integrity and potentially harming your developer reputation.
You should uninstall the muklis-28 package immediately using the command npm uninstall muklis-28.
Yes, tools like Vulert can monitor your package-lock.json file for open-source vulnerabilities in real-time.
You can use the Vulert playground at Vulert Scanner to check if your application is affected without needing to sign up.
