Malicious Code Injection in striped_chickadee_z3n: A Threat to npm Ecosystem

striped_chickadee_z3n Updated 27 Nov 2025

Summary

11/11/2025
CRITICAL
No i
Critical
Not published

MAL-2025-96811: Malicious code in striped_chickadee_z3n (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

striped_chickadee_z3n is an npm package that has been identified as part of a malicious campaign targeting the npm registry. This package is associated with the tea.xyz token reward initiative, which has been linked to the proliferation of harmful scripts designed to manipulate package metadata and inflate developer reputation scores. The package's functionality is compromised due to its malicious intent, making it a significant risk for developers and users relying on npm for package management.

Vulnerability Detail

The vulnerability in striped_chickadee_z3n stems from its inclusion in a campaign that deploys autopublish scripts. These scripts modify the package.json file by removing private flags, altering version numbers, and generating random package names. This behavior not only pollutes the npm registry but also poses risks of unintentional dependency on malicious packages, which can lead to further exploitation and security breaches in applications that utilize these packages.

How To Fix

This package is malicious. Remove it and rotate any credentials it could have accessed.

npm uninstall striped_chickadee_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 workaround, you can avoid using the striped_chickadee_z3n package and replace it with a trusted alternative. Always verify the integrity and reputation of packages before including them in your project.

Conclusion

The striped_chickadee_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 from their projects and monitor their dependencies for vulnerabilities to maintain the security of their applications.

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FAQ

striped_chickadee_z3n is an npm package that has been identified as part of a malicious campaign aimed at manipulating the npm registry.

The vulnerability can lead to the introduction of malicious code into your application, potentially compromising its security and functionality.

You should uninstall the striped_chickadee_z3n package immediately and review your other dependencies for any potential vulnerabilities.

You can use tools like Vulert, which monitors your package-lock.json file to alert you in real-time for any open-source vulnerabilities in your software.

Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without requiring any signup.

How To Fix

This package is malicious. Remove it and rotate any credentials it could have accessed.

npm uninstall striped_chickadee_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 →

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