Malicious Code Injection in muklis-27: A Threat to npm Ecosystem
Summary
MAL-2025-160811: Malicious code in muklis-27 (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The package 'muklis-27' is part of the npm ecosystem, which is widely used for JavaScript package management. It is often utilized by developers to share and manage code libraries. However, this package has been identified as part of a malicious campaign that aims to manipulate the npm registry by flooding it with derivative packages, thereby inflating developer reputation scores for token rewards.
Vulnerability Detail
The vulnerability in 'muklis-27' originates from its association with the tea.xyz token reward campaign. It contains scripts designed to automatically generate and publish derivative packages with randomized names. This malicious behavior modifies the package.json file by removing private flags, altering version numbers, and continuously republishing variants, which can lead to pollution of the npm registry and potential security risks for developers relying on these packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall muklis-27
If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a workaround, you can avoid using 'muklis-27' and any other packages associated with the tea.xyz campaign. Regularly audit your dependencies using tools like npm audit to identify and mitigate risks from malicious packages.
Conclusion
The 'muklis-27' package poses a significant threat to the npm ecosystem due to its malicious behavior. Developers are advised to remove this package and monitor their dependencies for vulnerabilities. Utilizing tools like Vulert can help in maintaining the security of your projects.
See every vulnerability recorded for muklis-27 →
FAQ
'muklis-27' is an npm package that has been identified as part of a malicious campaign to manipulate the npm registry.
The vulnerability can lead to the pollution of the npm registry, potentially introducing insecure or malicious code into your project.
You should remove 'muklis-27' from your project and monitor for any updates or patches that may address the vulnerability.
You can use tools like Vulert, which monitors your package-lock.json for open-source vulnerabilities in real-time without requiring code access.
Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without any signup.