Malicious Code Detected in capistrano-ejson Package - Critical Security Alert

capistrano-ejson Updated 02 Oct 2025

Summary

14/08/2025
CRITICAL
No i
Critical
Not published

MAL-2025-16516: Malicious code in capistrano-ejson (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The capistrano-ejson package is a Node.js library used for managing JSON configuration files in deployment processes. It is designed to enhance the Capistrano deployment tool by allowing users to easily handle environment-specific configurations. However, its recent discovery of malicious code poses significant risks to users relying on this package for secure deployments.

Vulnerability Detail

The capistrano-ejson package has been identified to contain malicious code that could compromise the security of applications utilizing it. This vulnerability originated from the package's codebase, which has been tampered with to introduce harmful functionalities. Users may face severe ramifications, including unauthorized access to sensitive data, data breaches, or even complete system compromise. It is crucial for developers to be aware of this issue to mitigate potential risks.

How To Fix

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

npm uninstall capistrano-ejson

If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.

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Workaround

As a temporary workaround, users can remove the capistrano-ejson package from their project until a secure version is available. This can be done by executing the command: npm uninstall capistrano-ejson. Consider using alternative packages that provide similar functionality without security risks.

Conclusion

The discovery of malicious code in the capistrano-ejson package highlights the importance of maintaining secure dependencies in software development. Users must take immediate action to update or remove the affected package to protect their applications from potential threats.

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FAQ

The capistrano-ejson package is used for managing JSON configuration files in deployment processes, particularly with the Capistrano deployment tool.

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The malicious code can lead to unauthorized access to sensitive data, data breaches, or complete system compromise, posing significant risks to applications using this package.

Users are advised to check the package repository for any patched versions of capistrano-ejson and update accordingly to mitigate the vulnerability.

If an immediate update is not possible, consider uninstalling the capistrano-ejson package and using alternative solutions until a secure version is released.

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How To Fix

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

npm uninstall capistrano-ejson

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 →

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