Malicious Code Injection in yappy_sailfish_dumbs Package
Summary
MAL-2025-111245: Malicious code in yappy_sailfish_dumbs (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 yappy_sailfish_dumbs 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. However, it has been identified as containing malicious scripts that manipulate package metadata and flood the npm registry with unwanted variants.
Vulnerability Detail
The vulnerability in the yappy_sailfish_dumbs package stems from its inclusion in a malicious campaign that utilizes autopublish scripts to generate numerous derivative packages with randomized names. These scripts modify the package.json file to remove private flags, alter version numbers, and continuously republish variants, thereby polluting the npm registry. This can lead to a significant increase in malicious packages, affecting the reputation of developers and the integrity of the npm ecosystem.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall yappy_sailfish_dumbsIf 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 measure, you can prevent the installation of this package by using the following command: npm uninstall yappy_sailfish_dumbs. Additionally, consider using package-lock.json to monitor your dependencies for vulnerabilities.
Conclusion
The yappy_sailfish_dumbs package poses a significant risk due to its malicious code that alters package metadata and floods the npm registry. It is crucial to remove this package from your project and monitor your dependencies for vulnerabilities using tools like Vulert.
See every vulnerability recorded for yappy_sailfish_dumbs →
FAQ
It is an npm package associated with the tea.xyz token reward campaign, designed to generate and publish derivative packages.
The vulnerability can lead to the proliferation of malicious packages in your project, potentially compromising its security and integrity.
You should uninstall the yappy_sailfish_dumbs package immediately and monitor your project for any signs of compromise.
Yes, you can use tools like Vulert, which monitors your package-lock.json for vulnerabilities in real-time without requiring code access.
Yes, you can use the Vulert playground at Vulert Scanner to check for vulnerabilities in your application without any signup.
