Malicious Code Detected in cielocpp Package - Security Alert

cielocpp Updated 02 Oct 2025

Summary

14/08/2025
CRITICAL
No i
Critical
Not published

MAL-2025-17027: Malicious code in cielocpp (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The cielocpp package is a Node.js library designed for specific functionalities within the npm ecosystem. It is utilized by developers for various applications, leveraging its features to enhance software capabilities. However, recent findings have revealed that this package contains malicious code, posing significant security risks to users and their applications.

Vulnerability Detail

The vulnerability in the cielocpp package stems from the inclusion of malicious code that can compromise the integrity of applications using this library. This code may lead to unauthorized access, data breaches, or other harmful actions within the affected systems. The issue was introduced in version 0 and affects all subsequent versions, making it critical for users to address this vulnerability promptly.

How To Fix

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

npm uninstall cielocpp

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, users can avoid using the cielocpp package altogether until a secure version is released. Additionally, consider using alternative packages that provide similar functionalities without the associated risks.

Conclusion

The cielocpp package has been flagged for containing malicious code, posing serious security risks to applications. Users are urged to remove the package and monitor their projects for vulnerabilities. Utilizing tools like Vulert can aid in identifying and managing such risks effectively.

See every vulnerability recorded for cielocpp →

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FAQ

cielocpp is a Node.js library used for various functionalities in applications, but it has been found to contain malicious code.

The malicious code was identified through security assessments conducted by Amazon Inspector, which flagged the cielocpp package for containing harmful elements.

Using the cielocpp package can lead to unauthorized access, data breaches, and potential exploitation of your applications.

You can use Vulert, a tool that monitors and alerts for open-source vulnerabilities. Simply upload your package-lock.json file to the Vulert playground at Vulert Scanner to check for vulnerabilities.

If you have used cielocpp, it is crucial to remove it from your project immediately and monitor for any signs of compromise.

How To Fix

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

npm uninstall cielocpp

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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