Malicious Code Injection in final_guineafowl-excellentdev Package
Summary
MAL-2025-102706: Malicious code in final_guineafowl-excellentdev (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 final_guineafowl-excellentdev package is part of the npm ecosystem, which is widely used for JavaScript package management. This package is suspected to be involved in a token reward campaign that aims to inflate developer reputation scores through the automatic generation and publication of derivative packages. Its functionality is compromised by malicious scripts that alter package metadata and republish variants, leading to potential security risks.
Vulnerability Detail
The vulnerability originates from the package's involvement in the tea.xyz token reward campaign, which has been identified as a source of malicious npm packages. The malicious code modifies the package.json file by removing private flags, altering version numbers, and generating random package names. This behavior not only pollutes the npm registry but also poses a risk to developers who may unknowingly use these compromised packages, leading to potential security breaches and loss of control over their applications.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall final_guineafowl-excellentdevIf 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 avoid using the final_guineafowl-excellentdev package and look for alternative packages that provide similar functionality without the associated risks. Additionally, you can monitor your package-lock.json file for any unauthorized changes.
Conclusion
The final_guineafowl-excellentdev package poses a significant security risk due to its malicious code that alters package metadata and repopulates the npm registry with compromised variants. It is crucial for developers to remove this package and monitor their projects for any unauthorized changes. Utilizing tools like Vulert can help in identifying vulnerabilities in real-time.
See every vulnerability recorded for final_guineafowl-excellentdev →
FAQ
It is an npm package that is part of a token reward campaign, which has been identified as containing malicious code.
The malicious code modifies your package.json file and can lead to the publication of compromised packages, potentially exposing your application to security risks.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. You can check your application using the Vulert playground without any signup.
You should remove the final_guineafowl-excellentdev package from your project and monitor your package-lock.json for any unauthorized changes.
Yes, consider looking for other npm packages that provide similar functionality without the associated risks.
