Malicious Code Injection in weekly_bison_dumbs Package - npm Vulnerability
Summary
MAL-2025-110792: Malicious code in weekly_bison_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 'weekly_bison_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, which can inflate developer reputation scores for token rewards. However, it has been compromised to include malicious scripts that modify package configurations and republish variants to the npm registry.
Vulnerability Detail
The vulnerability originates from the malicious code embedded in the 'weekly_bison_dumbs' package. This code is designed to alter the package.json file by removing private flags, changing version numbers, and generating random package names. The malicious payload continuously republishes these variants, leading to pollution of the npm registry and potential exploitation of developers who unknowingly use these compromised packages. The ramifications include loss of control over package management and potential security risks for applications relying on these packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall weekly_bison_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 workaround, you can manually remove the 'weekly_bison_dumbs' package from your project by executing the following command: npm uninstall weekly_bison_dumbs. Additionally, avoid using any packages that are part of the tea.xyz token reward campaign until further notice.
Conclusion
The 'weekly_bison_dumbs' package presents a significant security risk due to its embedded malicious code. It is essential to remove this package from your project and monitor for any updates or patches. Utilizing tools like Vulert can help keep your application secure from such vulnerabilities.
See every vulnerability recorded for weekly_bison_dumbs →
FAQ
The 'weekly_bison_dumbs' package is an npm package that has been associated with a malicious campaign to inflate developer reputation scores through automated package publishing.
The malicious code modifies your package.json file, removes private flags, and repackages your project with potentially harmful variants, leading to security vulnerabilities.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. Visit Vulert Scanner to check if your application is affected without any signup.
If you have installed the 'weekly_bison_dumbs' package, you should uninstall it immediately using the command: npm uninstall weekly_bison_dumbs.
Currently, there is no patched version available for the 'weekly_bison_dumbs' package. It is recommended to monitor the npm registry for any updates.
