Malicious Code Vulnerability in xaver-rujak6-apidev Package
Summary
MAL-2025-92407: Malicious code in xaver-rujak6-apidev (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The xaver-rujak6-apidev package is part of the npm ecosystem and is associated with the tea.xyz token reward campaign. This package is designed to facilitate the automatic generation and publishing of derivative packages, which can inflate developer reputation scores for token rewards. However, it has been identified as containing malicious code that compromises the integrity of the npm registry.
Vulnerability Detail
The vulnerability originates from the package's malicious payload, which modifies the package.json file to remove private flags, alters version numbers, and generates random package names. This behavior leads to the continuous republishing of variants that pollute the npm registry, potentially affecting the reputation of legitimate developers and the overall security of the ecosystem.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall xaver-rujak6-apidevIf 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 xaver-rujak6-apidev package and look for alternative packages that provide similar functionality without the associated risks. Additionally, regularly audit your npm packages for vulnerabilities using tools like npm audit.
Conclusion
The xaver-rujak6-apidev package has been identified as containing malicious code that poses a significant risk to npm users. It is crucial to remove this package from your projects and monitor for any similar vulnerabilities to maintain the security of your applications.
See every vulnerability recorded for xaver-rujak6-apidev →
FAQ
It is an npm package associated with the tea.xyz token reward campaign, designed to generate and publish derivative packages.
The malicious code can compromise your project's integrity by modifying package.json and flooding the npm registry with unwanted packages.
You should uninstall the package immediately using the command 'npm uninstall xaver-rujak6-apidev' and check for any dependencies that might be affected.
Yes, you can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time using just your package-lock.json file.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without any signup.
