Malicious Code Injection in messi-urat-ds Package - npm Vulnerability
Summary
MAL-2025-160386: Malicious code in messi-urat-ds (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The messi-urat-ds package is part of the npm ecosystem, which is widely used for JavaScript development. This package has been identified as part of a malicious campaign that aims to exploit npm's package publishing system. It is designed to automatically generate and publish derivative packages with randomized names, which can lead to reputation inflation for developers involved in the tea.xyz token reward campaign.
Vulnerability Detail
The vulnerability in the messi-urat-ds package originates from its malicious payload that modifies the package.json file. It removes private flags, alters version numbers, and generates random package names, which can lead to the pollution of the npm registry. This behavior not only compromises the integrity of the npm ecosystem but also poses risks to developers who may unknowingly depend on these malicious packages. The continuous republishing of variants can clutter the registry and make it difficult for developers to find legitimate packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall messi-urat-dsIf 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 manually remove the messi-urat-ds package from your project by running the following command: npm uninstall messi-urat-ds. Additionally, consider using tools like Vulert to monitor your package-lock.json for vulnerabilities in real-time.
Conclusion
The messi-urat-ds package poses a significant risk due to its malicious behavior of modifying package files and republishing variants. It is crucial for developers to remove this package and monitor their projects for vulnerabilities to maintain the integrity of their applications.
See every vulnerability recorded for messi-urat-ds →
FAQ
The messi-urat-ds package is an npm package that has been identified as part of a malicious campaign targeting the npm ecosystem.
The vulnerability can lead to the pollution of the npm registry and may compromise the integrity of your project if you depend on this malicious package.
You should uninstall the messi-urat-ds package immediately and monitor your project for any other vulnerabilities.
Yes, you can use Vulert, which monitors your package-lock.json for open-source vulnerabilities in real-time without requiring code access or installation.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without any signup.
