Malicious Code Vulnerability in reduced_sturgeon_z3n Package
Summary
MAL-2025-89905: Malicious code in reduced_sturgeon_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 reduced_sturgeon_z3n package is part of the npm ecosystem, which is widely used for JavaScript package management. This package, like many others in the npm registry, is intended to facilitate the development and sharing of code. However, it has been identified as part of a malicious campaign that exploits the npm registry by flooding it with derivative packages that have randomized names, aimed at inflating developer reputation scores for token rewards.
Vulnerability Detail
The vulnerability in the reduced_sturgeon_z3n package originates from its association with a malicious campaign that modifies the package.json file to remove private flags, alters version numbers, and generates random package names. This behavior leads to the continuous republishing of variants, which pollutes the npm registry and can potentially compromise the integrity of applications relying on this package. The malicious payload can affect developers' reputations and the overall trustworthiness of the npm ecosystem.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall reduced_sturgeon_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 workaround, you can replace the functionality provided by the reduced_sturgeon_z3n package with a trusted alternative package that does not exhibit malicious behavior. Always verify the integrity and reputation of packages before including them in your project.
Conclusion
The reduced_sturgeon_z3n package poses a significant risk due to its malicious behavior, which can compromise the integrity of applications using it. It is crucial to remove this package and monitor your projects for vulnerabilities using tools like Vulert to ensure the security of your software.
See every vulnerability recorded for reduced_sturgeon_z3n →
FAQ
The reduced_sturgeon_z3n package is an npm package that has been identified as part of a malicious campaign to manipulate the npm registry.
This vulnerability can compromise the integrity of your project by introducing malicious code that alters package configurations and inflates developer reputation scores.
You should uninstall the reduced_sturgeon_z3n package immediately and replace it with a trusted alternative.
You can use tools like Vulert, which monitors your package-lock.json file to alert you in real-time for open-source vulnerabilities.
Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without requiring any signup.