Malicious Code Injection in intan-50 Package: A Threat to npm Users
Summary
MAL-2025-156561: Malicious code in intan-50 (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The intan-50 package is part of the npm ecosystem, which is widely used for JavaScript package management. This package has been identified as part of a malicious campaign that aims to exploit npm by flooding the registry with derivative packages. These packages are designed to inflate developer reputation scores through automated publishing scripts, making them a significant threat to the integrity of the npm ecosystem.
Vulnerability Detail
The vulnerability in the intan-50 package originates from its association with the tea.xyz token reward campaign. It contains malicious scripts that modify the package.json file by removing private flags, altering version numbers, and generating random package names. This behavior leads to the continuous republishing of variants, which pollutes the npm registry and compromises the security of dependent projects. The ramifications include potential exposure to further malicious code and a degradation of trust in the npm ecosystem.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall intan-50
If 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 intan-50 package and any other packages that may be associated with the tea.xyz campaign. Regularly check your package-lock.json file for any unexpected changes and remove any suspicious packages immediately.
Conclusion
The intan-50 package poses a significant threat to npm users due to its malicious behavior designed to exploit the npm registry. It is crucial to remove this package and monitor your dependencies for vulnerabilities to maintain the security of your projects.
See every vulnerability recorded for intan-50 →
FAQ
The intan-50 package is an npm package that has been identified as part of a malicious campaign to exploit the npm registry.
The vulnerability can lead to the introduction of malicious code into your project, which may compromise its security and integrity.
You should immediately uninstall the intan-50 package using the command npm uninstall intan-50 and audit your project for any other potentially malicious packages.
You can use tools like Vulert, which monitors your package-lock.json for open-source vulnerabilities in real-time. You can check your application for vulnerabilities using the Vulert playground at Vulert Scanner without needing to sign up.
No patches are available for the intan-50 package as it is recommended to remove it entirely from your project.