Malicious Code Injection in muda-poke31: A Threat to npm Ecosystem

muda-poke31 Updated 26 Nov 2025

Summary

12/11/2025
CRITICAL
No i
Critical
Not published

MAL-2025-160766: Malicious code in muda-poke31 (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 package 'muda-poke31' is part of the npm ecosystem, which is widely used for JavaScript package management. This package is associated with the tea.xyz token reward campaign, which has been known to flood the npm registry with malicious packages. These packages often contain scripts designed to manipulate package metadata and inflate developer reputation scores, posing a significant risk to developers and users alike.

Vulnerability Detail

The vulnerability in 'muda-poke31' originates from its design to include malicious scripts that modify the package.json file. These scripts remove private flags, alter version numbers, and generate random package names, leading to the continuous republishing of variants that pollute the npm registry. This not only compromises the integrity of the npm ecosystem but also can lead to unauthorized access and exploitation of affected systems.

How To Fix

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

npm uninstall muda-poke31

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 avoid using 'muda-poke31' and any other packages associated with the tea.xyz token reward campaign. Instead, consider using alternative packages that provide similar functionality without the associated risks.

Conclusion

The 'muda-poke31' package poses a significant threat to the npm ecosystem due to its malicious code designed to manipulate package metadata. It is crucial for developers to be aware of such vulnerabilities and take immediate action to secure their projects by removing affected packages and monitoring for future threats.

See every vulnerability recorded for muda-poke31 →

Share this vulnerability

FAQ

'muda-poke31' is an npm package that has been identified as containing malicious code aimed at manipulating package metadata.

The vulnerability can lead to unauthorized modifications of your project's package.json file, potentially compromising security and integrity.

You should uninstall 'muda-poke31' immediately using the command 'npm uninstall muda-poke31' and check for any other affected packages.

You can use tools like Vulert, which monitors your package-lock.json for vulnerabilities in real-time without requiring code access or installation.

Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without any signup.

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 muda-poke31

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