Malicious Code Vulnerability in aggressive_ant_z3n Package
Summary
MAL-2025-98608: Malicious code in aggressive_ant_z3n (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 aggressive_ant_z3n 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 token rewards. However, it has been identified as containing malicious code that compromises the integrity of the npm registry.
Vulnerability Detail
The vulnerability originates from the aggressive_ant_z3n package, which includes scripts that modify the package.json file by removing private flags, altering version numbers, and generating random package names. This behavior leads to the continuous republishing of variants, polluting the npm registry and potentially affecting other developers and projects relying on npm packages. The malicious payload is designed to exploit the npm ecosystem for nefarious purposes, making it critical to address this issue promptly.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall aggressive_ant_z3n
If 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 measure, you can avoid using the aggressive_ant_z3n package and any other packages that may have been published as derivatives of it. Regularly audit your dependencies to ensure that no malicious packages are included in your project.
Conclusion
The aggressive_ant_z3n package poses a significant risk due to its malicious code that alters package metadata and pollutes the npm registry. It is crucial for developers to remove this package and regularly audit their dependencies to maintain the security and integrity of their projects.
See every vulnerability recorded for aggressive_ant_z3n →
FAQ
The aggressive_ant_z3n package is an npm package associated with the tea.xyz token reward campaign, designed to generate and publish derivative packages.
The malicious code modifies your package.json file, removes private flags, and can lead to the pollution of the npm registry, potentially affecting your project's integrity.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in your software. Visit Vulert Scanner to check your application without requiring any signup.
You should uninstall the aggressive_ant_z3n package immediately and audit your project for any other potentially malicious packages.
There is no patch for the aggressive_ant_z3n package as it is recommended to remove it entirely from your project.