Malicious Code Injection in Thorough Mollusk Replicate Automation Package

Summary

11/11/2025
CRITICAL
No i
Critical
Not published

MAL-2025-109631: Malicious code in thorough_mollusk_replicate_automation (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 MarkAI Find prospects already talking about the problem you solve AI watches the communities your customers use to find qualified prospects, then alerts you when a conversation is worth joining. See MarkAI

Background

The 'thorough_mollusk_replicate_automation' package is part of the npm ecosystem, typically utilized for automation tasks. However, it has been identified as part of a malicious campaign that aims to manipulate the npm registry by generating and publishing derivative packages with randomized names. This behavior is linked to the tea.xyz token reward scheme, which incentivizes developers to inflate their reputation scores.

Vulnerability Detail

The vulnerability originates from malicious code embedded within the 'thorough_mollusk_replicate_automation' package. This code modifies the package.json file by removing private flags, altering version numbers, and generating random package names. The result is a continuous republishing of these variants, which pollutes the npm registry and can lead to significant security risks, including the potential for dependency confusion and exploitation of unsuspecting developers.

How To Fix

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

npm uninstall thorough_mollusk_replicate_automation

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 'thorough_mollusk_replicate_automation' package from your project by executing: 'npm uninstall thorough_mollusk_replicate_automation'. This will prevent any malicious code from executing until a secure version is available.

Conclusion

The 'thorough_mollusk_replicate_automation' package has been compromised with malicious code that poses significant risks to developers and the npm ecosystem. It is crucial to take immediate action by updating or removing the package to safeguard your projects.

See every vulnerability recorded for thorough_mollusk_replicate_automation →

Share this vulnerability

FAQ

The malicious code modifies the package.json file to remove private flags and generates random package names, leading to the pollution of the npm registry.

You can use Vulert, which monitors open-source vulnerabilities in your software using just the package-lock.json file. Visit Vulert Scanner to check if your application is affected.

Using this package can lead to dependency confusion, reputation damage, and potential exploitation by malicious actors.

Regularly auditing your dependencies and using tools like Vulert can help identify vulnerabilities early and mitigate risks.

If an immediate update is not possible, consider removing the package from your project until a secure version is released.

How To Fix

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

npm uninstall thorough_mollusk_replicate_automation

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