Malicious Code Injection in ready_leopard-strongdev Package
Summary
MAL-2025-107758: Malicious code in ready_leopard-strongdev (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 ready_leopard-strongdev package is part of the npm ecosystem, typically used for various development tasks. However, it has been identified as part of a malicious campaign that aims to exploit npm's package publishing system. This package, like others in the campaign, is designed to inflate developer reputation scores through the automatic generation and publication of derivative packages with random names.
Vulnerability Detail
The vulnerability originates from the package's malicious code, 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 compromising the integrity of the ecosystem. The malicious payload is part of a broader scheme associated with the tea.xyz token reward campaign, which aims to exploit npm for token rewards.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall ready_leopard-strongdevIf 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 prevent the package from being used in your project by removing it from your package.json file and running 'npm install' to update your dependencies.
Conclusion
The ready_leopard-strongdev package poses a significant risk due to its malicious code designed to exploit the npm registry. It is crucial to remove this package from your projects and monitor for any similar vulnerabilities to maintain the integrity of your software.
See every vulnerability recorded for ready_leopard-strongdev →
FAQ
It is an npm package that has been identified as part of a malicious campaign aimed at exploiting the npm registry.
The malicious code modifies your package.json, removes private flags, and generates random package names, which can lead to reputation inflation and potential security risks.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. Visit Vulert Scanner to check if your application is affected without needing to sign up.
You should uninstall the ready_leopard-strongdev package immediately and check for any dependencies that may be affected.
Regularly monitor your dependencies using tools like Vulert and keep your packages updated to the latest secure versions.
