Malicious Code Injection in utomo-semur30-ruro Package - npm Vulnerability
Summary
MAL-2025-110297: Malicious code in utomo-semur30-ruro (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The utomo-semur30-ruro package is part of the npm ecosystem, often utilized in JavaScript projects for various functionalities. However, it has been identified as part of a malicious campaign that floods the npm registry with derivative packages. This package is designed to manipulate developer reputation scores through automated publishing scripts, which can lead to significant security risks.
Vulnerability Detail
The vulnerability in the utomo-semur30-ruro package originates from its association with the tea.xyz token reward campaign. It contains malicious scripts that modify the package.json file to remove private flags, alter version numbers, and generate random package names. This behavior leads to the continuous republishing of variants, polluting the npm registry and potentially compromising the integrity of other packages and applications that depend on it.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall utomo-semur30-ruroIf 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 remove the utomo-semur30-ruro package from your project by executing the following command: npm uninstall utomo-semur30-ruro. This will prevent any malicious scripts from executing in your environment.
Conclusion
The utomo-semur30-ruro package poses a significant security risk due to its malicious code designed to manipulate npm registry integrity. It is crucial for developers to take immediate action by removing or updating the package to safeguard their applications.
See every vulnerability recorded for utomo-semur30-ruro →
FAQ
The utomo-semur30-ruro package is an npm package that has been identified as part of a malicious campaign aimed at inflating developer reputation scores.
The vulnerability can lead to the pollution of the npm registry, potentially compromising the integrity of other packages and applications that rely on npm.
You should uninstall the utomo-semur30-ruro package or update it to a patched version if available.
You can use Vulert, which monitors and alerts in real-time for open-source vulnerabilities using just the package-lock.json file. You can check your application for vulnerabilities using the Vulert playground without any signup.
Regularly update your dependencies, use tools like Vulert for monitoring, and review package sources before installation to minimize the risk of malicious packages.
