Malicious Code Injection in Attractive Lark-Biggestdev Package
Summary
MAL-2025-99657: Malicious code in attractive_lark-biggestdev (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 'attractive_lark-biggestdev' package is part of the npm ecosystem and is associated with the tea.xyz token reward campaign. This package is designed to facilitate the automatic generation and publication of derivative packages, which can inflate developer reputation scores for rewards. However, it has been compromised, leading to significant security concerns.
Vulnerability Detail
The vulnerability originates from malicious code embedded within the 'attractive_lark-biggestdev' package. This code modifies the package.json file to remove private flags, alters version numbers, and generates random package names, which leads to the continuous republishing of these variants. This behavior not only pollutes the npm registry but also poses risks to developers who may unknowingly use these compromised packages, potentially leading to further exploitation.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall attractive_lark-biggestdevIf 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, avoid using the 'attractive_lark-biggestdev' package and look for alternative packages that provide similar functionality without the associated risks. Additionally, you can monitor your project for any unexpected changes in the package.json file.
Conclusion
The 'attractive_lark-biggestdev' package has been identified as containing malicious code that poses a significant risk to developers. It is crucial to remove this package and monitor your projects for any vulnerabilities. Utilizing tools like Vulert can help maintain the security of your applications.
See every vulnerability recorded for attractive_lark-biggestdev →
FAQ
It is an npm package that is part of the tea.xyz token reward campaign, designed to generate and publish derivative packages.
The malicious code modifies your package.json file, potentially leading to the installation of compromised packages and polluting the npm registry.
You should uninstall the package immediately and check for any dependencies that may be affected.
Yes, you can use Vulert, which monitors and alerts for open-source vulnerabilities in your software using just package-lock.json.
You can use the Vulert playground at Vulert Scanner to check for vulnerabilities without needing to sign up.
