Malicious Code Injection in impressive_lungfish-appteadev: A Threat to npm Packages

Summary

11/11/2025
CRITICAL
No i
Critical
Not published

MAL-2025-104026: Malicious code in impressive_lungfish-appteadev (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The package 'impressive_lungfish-appteadev' is part of the npm ecosystem and is associated with the tea.xyz token reward campaign. This campaign has been known to flood the npm registry with packages that contain malicious scripts. These scripts are designed to manipulate package metadata and inflate developer reputation scores through the automatic generation and publication of derivative packages.

Vulnerability Detail

The vulnerability in 'impressive_lungfish-appteadev' stems from malicious code that modifies the package.json file. This code removes private flags, alters version numbers, and generates random package names, thereby polluting the npm registry. The malicious payload is part of a broader scheme to exploit the npm ecosystem for token rewards, leading to potential security risks for developers and users relying on these packages.

How To Fix

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

npm uninstall impressive_lungfish-appteadev

If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.

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Workaround

As a temporary measure, you can avoid using the 'impressive_lungfish-appteadev' package until a secure version is released. Consider using alternative packages that provide similar functionality without the associated risks.

Conclusion

The 'impressive_lungfish-appteadev' package poses a significant security risk due to its malicious code that alters package metadata and floods the npm registry. Developers should take immediate action to remove this package and monitor their dependencies for similar vulnerabilities.

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FAQ

The vulnerability involves malicious code that alters package metadata and floods the npm registry with derivative packages.

You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. Check your application against the vulnerability using the Vulert playground at Vulert Scanner.

Uninstall the package immediately using 'npm uninstall impressive_lungfish-appteadev' and review your dependencies for any other potentially malicious packages.

Yes, the impacts include potential exposure to malicious code, compromised package integrity, and inflated developer reputation scores that can mislead users.

Currently, there is no patched version available for 'impressive_lungfish-appteadev'. It is recommended to remove the package until a secure version is released.

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How To Fix

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

npm uninstall impressive_lungfish-appteadev

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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