Malicious Code Injection in leandro-teadev Package: npm Vulnerability Overview
Summary
MAL-2025-105045: Malicious code in leandro-teadev (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The leandro-teadev package is part of the npm ecosystem and is associated with the tea.xyz token reward campaign. This package is designed to facilitate the creation and publication of derivative packages, which are often used to inflate developer reputation scores for token rewards. However, it has been compromised to include malicious scripts that manipulate package metadata.
Vulnerability Detail
The vulnerability in the leandro-teadev package originates from its association with a malicious campaign that floods the npm registry with derivative packages. The malicious payload modifies the package.json file to remove private flags, alters version numbers, and generates random package names, leading to pollution of the npm registry. This can result in security risks for developers who unknowingly use these compromised packages, potentially exposing their applications to further vulnerabilities.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall leandro-teadevIf 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 leandro-teadev package and look for alternative packages that provide similar functionality without the associated risks. Additionally, you can use the following command to uninstall the package: npm uninstall leandro-teadev.
Conclusion
The leandro-teadev package has been identified as a vector for malicious code injection, posing significant risks to developers and their applications. It is essential to remove this package and monitor for any further vulnerabilities to maintain the integrity of your software.
See every vulnerability recorded for leandro-teadev →
FAQ
The leandro-teadev package is part of the npm ecosystem and is involved in the tea.xyz token reward campaign, which aims to inflate developer reputation scores.
The malicious code modifies your package.json, potentially exposing your application to security risks and causing it to publish unauthorized packages.
You should uninstall the leandro-teadev package immediately and check for any other compromised packages in your project.
Yes, you can use Vulert, which monitors your package-lock.json for open-source vulnerabilities in real-time. You can check your application using the Vulert playground without any signup.
Regularly audit your dependencies using tools like npm audit, and keep your packages updated to their latest secure versions.
