Malicious Code Injection in ruji-1 Package: npm Vulnerability Overview
Summary
MAL-2025-165233: Malicious code in ruji-1 (npm). Affected versions are not published. No fix is published. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
The ruji-1 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 publication of derivative packages, which can inflate developer reputation scores for token rewards. However, it has been identified as containing malicious code that compromises its integrity and the security of the npm registry.
Vulnerability Detail
The vulnerability in the ruji-1 package stems from its 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 these variants, polluting the npm registry and potentially affecting other developers and their projects. The origin of this vulnerability is linked to a campaign aimed at exploiting the npm ecosystem for token rewards, making it a significant concern for developers relying on npm packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall ruji-1If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →
Workaround
As a temporary workaround, you can remove the ruji-1 package from your project by executing the command: 'npm uninstall ruji-1'. This will prevent any malicious code from executing while you seek a secure alternative package.
Conclusion
The ruji-1 package has been identified as containing malicious code that poses a significant risk to developers using npm. It is essential to take immediate action by updating or uninstalling the package and utilizing tools like Vulert for ongoing monitoring of vulnerabilities in your projects.
See every vulnerability recorded for ruji-1 →
FAQ
The ruji-1 package is an npm package associated with the tea.xyz token reward campaign, designed to automatically publish derivative packages.
The vulnerability can lead to the pollution of the npm registry and may compromise the integrity of your project by introducing malicious code.
If you have installed ruji-1, it is crucial to uninstall it immediately and monitor for any updates or patches.
Yes, you can use Vulert to monitor and alert for open-source vulnerabilities in your software. Visit Vulert Scanner to check if your application is affected without needing to sign up.
To prevent future vulnerabilities, regularly audit your dependencies, use tools like Vulert for real-time monitoring, and stay updated on security advisories related to the packages you use.
