Malicious Code Injection in joint_caterpillar_0xrequest Package

joint_caterpillar_0xrequest Updated 24 Nov 2025

Summary

11/11/2025
CRITICAL
No i
Critical
Not published

MAL-2025-104565: Malicious code in joint_caterpillar_0xrequest (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 Devnack Mobile apps built by Devnack Design, build and launch iOS and Android apps with a senior product team. From idea to store release Start a project

Background

The joint_caterpillar_0xrequest package is part of the npm ecosystem and is associated with the tea.xyz token reward campaign. This package is designed to facilitate token rewards through the automatic generation and publication of derivative packages. However, it has been identified as containing malicious code that compromises its integrity and the security of the npm registry.

Vulnerability Detail

The vulnerability stems from the package's malicious payload, which modifies the package.json file to remove private flags, alters version numbers, and generates random package names. This behavior is intended to inflate developer reputation scores for token rewards, leading to the pollution of the npm registry with numerous derivative packages. The origin of this vulnerability is linked to the tea.xyz token reward campaign, which has been known to flood the npm ecosystem with such malicious packages.

How To Fix

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

npm uninstall joint_caterpillar_0xrequest

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 joint_caterpillar_0xrequest package altogether. If it is already in your project, remove it using the command: npm uninstall joint_caterpillar_0xrequest.

Conclusion

The joint_caterpillar_0xrequest package has been identified as containing malicious code that poses a significant risk to developers and the npm ecosystem. It is crucial to remove this package from your projects and stay informed about potential vulnerabilities to maintain the security of your applications.

See every vulnerability recorded for joint_caterpillar_0xrequest →

Share this vulnerability

FAQ

It is an npm package associated with the tea.xyz token reward campaign, designed to automate the generation and publication of derivative packages.

The vulnerability can lead to the pollution of the npm registry and may compromise the integrity of your project by introducing malicious code.

You should uninstall the joint_caterpillar_0xrequest package immediately and monitor your project for any unusual behavior.

Yes, you can use Vulert to monitor and alert in real-time for open-source vulnerabilities in your software. You can check your application against known vulnerabilities using the Vulert playground without any signup.

You can refer to the vulnerability details provided by Amazon Inspector or check the npm registry for updates regarding the joint_caterpillar_0xrequest package.

How To Fix

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

npm uninstall joint_caterpillar_0xrequest

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