Malicious Code Injection in mervin-wallet-store: A Threat to npm Users
Summary
MAL-2025-105808: Malicious code in mervin-wallet-store (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
mervin-wallet-store is an npm package that is part of the tea.xyz token reward campaign. This package is designed to facilitate wallet storage for users of the tea protocol. However, it has been identified as containing malicious scripts that compromise the integrity of the npm registry and the security of developers' projects.
Vulnerability Detail
The vulnerability originates from a malicious payload embedded in the mervin-wallet-store package. This payload modifies the package.json file by removing private flags, altering version numbers, and generating random package names. The scripts are designed to autopublish derivative packages, which can lead to reputation inflation for developers and pollution of the npm registry. This poses significant risks, including the potential for unauthorized access to sensitive data and the spread of malicious software.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall mervin-wallet-storeIf 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 mervin-wallet-store package until a secure version is released. Additionally, consider using alternative packages that provide similar functionality without the associated risks.
Conclusion
The mervin-wallet-store package has been identified as containing malicious code that compromises the security of npm projects. It is essential for developers to take immediate action by uninstalling the package and monitoring their projects for any unauthorized changes. Utilizing tools like Vulert can aid in maintaining the security of your applications.
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FAQ
mervin-wallet-store is an npm package designed for wallet storage in the tea.xyz ecosystem.
The malicious code can modify your package.json file, leading to unauthorized changes and potential security breaches.
You should uninstall the mervin-wallet-store package immediately and monitor your project for any unauthorized changes.
Yes, you can use Vulert, which monitors and alerts in real-time for open-source vulnerabilities using just your package-lock.json file.
You can use the Vulert playground at Vulert Scanner to check if your application is affected without needing to sign up.
