Malicious Code Injection in Planned Marmot Z3N Package
Summary
MAL-2025-95905: Malicious code in planned_marmot_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
Habilume
Habit tracker with a companion that grows with you
Complete habits, earn Lume Points, and watch your Lume grow as you stay consistent.
Background
The 'planned_marmot_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 its integrity.
Vulnerability Detail
The vulnerability stems from the presence of malicious code within the 'planned_marmot_z3n' package. This code modifies the package.json file by removing private flags, altering version numbers, and generating random package names. It continuously republishes these variants to pollute the npm registry, posing a significant risk to developers and users by potentially introducing untrusted code into their projects.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall planned_marmot_z3nIf 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 remove the 'planned_marmot_z3n' package from your project by executing the command: 'npm uninstall planned_marmot_z3n'. This will prevent any malicious code from executing until a secure version is available.
Conclusion
The 'planned_marmot_z3n' package contains malicious code that poses a significant risk to developers and their projects. It is crucial to monitor for vulnerabilities, update packages regularly, and utilize tools like Vulert to ensure the security of your applications.
See every vulnerability recorded for planned_marmot_z3n →
FAQ
It 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, removes private flags, and can introduce untrusted code, potentially leading to security vulnerabilities.
Yes, you can use Vulert, which monitors and alerts in real-time for open-source vulnerabilities using just your package-lock.json file.
You can use the Vulert playground at Vulert Scanner to check if your application is affected without requiring any signup.
If an immediate update is not possible, consider uninstalling the package as a temporary measure to mitigate risks.
Habilume
Habit tracker with a companion that grows with you
Complete habits, earn Lume Points, and watch your Lume grow as you stay consistent.
