Malicious Code Vulnerability in progressive_jackal_z3n Package
Summary
MAL-2025-107329: Malicious code in progressive_jackal_z3n (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The progressive_jackal_z3n package is part of the npm ecosystem, often utilized in JavaScript projects for various functionalities. However, it has been identified as part of a malicious campaign that floods the npm registry with derivative packages. This package is designed to inflate developer reputation scores through automated publishing scripts, which can lead to significant security risks.
Vulnerability Detail
The vulnerability in the progressive_jackal_z3n package originates from its association with the tea.xyz token reward campaign. It contains malicious scripts that modify the package.json file by removing private flags, altering version numbers, and generating random package names. This behavior not only compromises the integrity of the npm registry but also poses risks to developers who may unknowingly use these tainted packages, leading to potential exploitation and reputation damage.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall progressive_jackal_z3nIf 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 progressive_jackal_z3n package entirely. If you have already installed it, remove it from your project with the command: npm uninstall progressive_jackal_z3n.
Conclusion
The progressive_jackal_z3n package poses a significant security risk due to its malicious code designed to manipulate npm registry data. It is crucial for developers to remove this package and monitor their projects for any vulnerabilities to maintain security and integrity.
See every vulnerability recorded for progressive_jackal_z3n →
FAQ
It is an npm package that has been identified as part of a malicious campaign to inflate developer reputation scores through automated publishing.
Using this package can compromise your project's integrity and expose it to security risks, as it modifies essential files and publishes malicious variants.
You should uninstall the progressive_jackal_z3n package immediately and monitor your project for any other vulnerabilities.
Yes, you can use Vulert, which monitors and alerts for open-source vulnerabilities in your software by analyzing your package-lock.json file.
You can use the Vulert playground at Vulert Scanner to check for vulnerabilities in your application without needing to sign up.
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