Malicious Code in equal_dog_z3n: A Threat to npm Package Integrity

equal_dog_z3n Updated 24 Nov 2025

Summary

11/11/2025
CRITICAL
No i
Critical
Not published

MAL-2025-102154: Malicious code in equal_dog_z3n (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 Your last release was probably never penetration tested Manual testing by engineers who build software, not an auditor's checklist. Trusted by teams at Swift and Google Talk to Devnack

Background

The package 'equal_dog_z3n' 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. The primary function of such packages is to inflate developer reputation scores through the automatic generation and publication of derivative packages with randomized names.

Vulnerability Detail

The vulnerability in 'equal_dog_z3n' stems from its malicious payload that modifies the package.json file. It removes private flags, alters version numbers, and generates random package names, thereby polluting the npm registry. This behavior not only compromises the integrity of the npm ecosystem but also poses risks to developers who may unknowingly use these compromised packages, leading to potential security breaches in their applications.

How To Fix

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

npm uninstall equal_dog_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 prevent the installation of this package by using npm's package-lock.json to monitor dependencies. Ensure that your project does not include 'equal_dog_z3n' in its dependencies. You can also use the following command to audit your project for vulnerabilities: npm audit.

Conclusion

The equal_dog_z3n package poses a significant threat due to its malicious code that compromises the npm ecosystem. Developers should take immediate action to remove this package and monitor their applications for vulnerabilities using tools like Vulert. Staying informed and proactive is crucial to maintaining application security.

See every vulnerability recorded for equal_dog_z3n →

Share this vulnerability

FAQ

The equal_dog_z3n package contains malicious code that modifies package.json files and floods the npm registry with derivative packages.

You can use Vulert, which monitors open-source vulnerabilities in real-time. Visit Vulert Scanner to check your application without needing to sign up.

You should remove the package immediately and check for any dependencies that may have been affected.

Currently, there is no patched version available for equal_dog_z3n. It is advisable to remove the package until a secure version is released.

Vulert uses the package-lock.json file to monitor and alert in real-time for open-source vulnerabilities, ensuring your application remains secure.

How To Fix

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

npm uninstall equal_dog_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 →

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