Malicious Code Injection in indirect_guppy_z3n Package
Summary
MAL-2025-104156: Malicious code in indirect_guppy_z3n (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 indirect_guppy_z3n 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 are often used to inflate developer reputation scores for token rewards. However, it has been identified as containing malicious scripts that compromise its integrity and the security of the npm registry.
Vulnerability Detail
The vulnerability in the indirect_guppy_z3n package stems from its inclusion in a malicious campaign that utilizes autopublish scripts to modify package.json files. These scripts remove private flags, alter version numbers, and generate random package names, leading to the pollution of the npm registry. The malicious payload can potentially allow unauthorized access to sensitive information and disrupt 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 indirect_guppy_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 remove the indirect_guppy_z3n package from your project by executing the command: 'npm uninstall indirect_guppy_z3n'. This will prevent the execution of any malicious scripts associated with the package until a secure version is released.
Conclusion
The indirect_guppy_z3n package has been identified as containing malicious code that can compromise the security of applications using it. It is crucial to update or remove the package to mitigate risks associated with this vulnerability. Utilizing tools like Vulert can help monitor and manage vulnerabilities effectively.
See every vulnerability recorded for indirect_guppy_z3n →
FAQ
The indirect_guppy_z3n package is an npm package involved in the tea.xyz token reward campaign, which has been found to contain malicious code.
The vulnerability can lead to unauthorized modifications in your package.json file, potentially exposing sensitive data and affecting the integrity of your application.
Check the npm registry for any updated versions of the indirect_guppy_z3n package that address this vulnerability.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time using just your package-lock.json file. Visit https://vulert.com for more information.
Yes, you can use the Vulert playground at Vulert Scanner to check for vulnerabilities in your application without requiring any signup.