Malicious Code Injection in environmental_seahorse-excellentdev Package
Summary
MAL-2025-102145: Malicious code in environmental_seahorse-excellentdev (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The environmental_seahorse-excellentdev package is part of the npm ecosystem, typically used for various development tasks. However, it has been identified as part of a malicious campaign that floods npm with harmful packages. These packages often contain scripts designed to manipulate package metadata and inflate developer reputation scores through automated publishing of derivative packages.
Vulnerability Detail
The vulnerability originates from the package being associated with the tea.xyz token reward campaign. It includes malicious 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 compromising the integrity of the development environment.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall environmental_seahorse-excellentdevIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary workaround, you can avoid using the environmental_seahorse-excellentdev package altogether and look for alternative packages that provide similar functionality without the associated risks.
Conclusion
The environmental_seahorse-excellentdev package poses a significant risk due to its malicious code designed to manipulate npm registry data. It is crucial to remove this package from your projects and monitor for any similar vulnerabilities using tools like Vulert.
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FAQ
It is an npm package that has been identified as part of a malicious campaign to inflate developer reputation scores through automated publishing.
The vulnerability can lead to the pollution of the npm registry and compromise the integrity of your project's dependencies.
Yes, you can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time using just package-lock.json.
You can use the Vulert playground at Vulert Scanner to check if your application is affected without any signup.
You should uninstall the package immediately using 'npm uninstall environmental_seahorse-excellentdev' and look for alternatives.
