Malicious Code Injection in doubtful_viper-gooddev Package

doubtful_viper-gooddev Updated 24 Nov 2025

Summary

11/11/2025
CRITICAL
No i
Critical
Not published

MAL-2025-101747: Malicious code in doubtful_viper-gooddev (npm). Affected versions are not published. No fix is published. How to fix ↓

Free scan

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.

Check my app free

No signup required · Results in about 60 seconds

Upload your dependency manifest or SBOM

Drag & drop your file here or

Java Javascript PHP Python Go Rust Ruby Dart C/C++ Elixir CycloneDX SPDX

Upload a supported dependency manifest or SBOM. No installation or source-code access required.

See supported files and SBOM formats
SBOM sbom.json · bom.json · bom.xml · *.spdx.json · *.cdx.json · *.cdx.xml
Java pom.xml · gradle.lockfile · buildscript-gradle.lockfile
Javascript package-lock.json · yarn.lock · pnpm-lock.yaml
PHP composer.lock
Python poetry.lock · requirements.txt · Pipfile.lock
Go go.mod
Rust Cargo.lock
Ruby Gemfile.lock
Dart pubspec.lock
C/C++ conan.lock
Elixir mix.lock
Enter your work email to receive your report link.

Verify your email to view the full report and start 30 days of continuous monitoring. No credit card required.

Sponsored Lume, the Habilume companion Habilume Habit tracker with a companion that grows with you Complete habits, earn Lume Points, and watch your Lume grow as you stay consistent. App Store Google Play

Background

The doubtful_viper-gooddev package is part of a series of npm packages that emerged during the tea.xyz token reward campaign. These packages are designed to manipulate the npm registry by automatically generating and publishing derivative packages with randomized names. This behavior is intended to inflate developer reputation scores for rewards associated with the tea protocol.

Vulnerability Detail

The vulnerability in the doubtful_viper-gooddev package originates from its malicious design, which includes scripts that modify the package.json file to remove private flags, alter version numbers, and create random package names. This results in a pollution of the npm registry with numerous derivative packages, potentially leading to security risks and a loss of trust in the npm ecosystem. The malicious payload can also facilitate further exploitation by making it easier for attackers to distribute harmful code.

How To Fix

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

npm uninstall doubtful_viper-gooddev

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 measure, you can avoid using the doubtful_viper-gooddev package and any packages that depend on it. Additionally, consider using a tool like Vulert to monitor your project for vulnerabilities. You can check if your application is affected by this vulnerability using the Vulert playground at https://vulert.com/scanner without needing to sign up.

Conclusion

The doubtful_viper-gooddev package poses a significant security risk due to its malicious code designed to manipulate the npm registry. It is crucial for developers to remove this package and monitor their projects for vulnerabilities to maintain the integrity of their applications.

See every vulnerability recorded for doubtful_viper-gooddev →

Share this vulnerability

FAQ

It is an npm package that is part of a malicious campaign to inflate developer reputation scores by flooding the npm registry with derivative packages.

The vulnerability can lead to the injection of malicious code into your application, compromising its security and integrity.

You should uninstall the doubtful_viper-gooddev package immediately and check for any dependencies that may be affected.

Yes, you can use Vulert to monitor your project for open-source vulnerabilities in real-time using just your package-lock.json file.

Yes, you can use the Vulert playground at Vulert Scanner to check for vulnerabilities without needing to create an account.

Sponsored Lume, the Habilume companion Habilume Habit tracker with a companion that grows with you Complete habits, earn Lume Points, and watch your Lume grow as you stay consistent. App Store Google Play

How To Fix

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

npm uninstall doubtful_viper-gooddev

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 →

Subscribe to Vulert on Telegram
Daily digest of new CVEs, critical and high severity, affected packages and fixes — plus a weekly roundup.
Join the channel →
Help improve this record
Report an issue or send feedback