Critical Malicious Code Vulnerability in CoursAic Package

coursaic Updated 02 Oct 2025

Summary

14/08/2025
CRITICAL
No i
Critical
Not published

MAL-2025-17635: Malicious code in coursaic (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 Lume, the Habilume companion Habilume Habit tracker with a companion that grows with you Complete habits, earn Lume Points, and watch your Lume grow as you stay consistent. App Store Google Play

Background

CoursAic is an npm package designed to facilitate various functionalities in web applications, providing developers with tools to enhance user experience. However, it has been identified to contain malicious code, posing significant security risks to applications that utilize it. This vulnerability can lead to unauthorized access and data breaches, making it crucial for developers to address it promptly.

Vulnerability Detail

The coursaic package has been found to contain malicious code that can compromise the security of applications using it. The vulnerability originates from the package itself, which was introduced in version 0 and has not been patched. This malicious code can lead to severe ramifications, including data theft, unauthorized access to sensitive information, and potential exploitation of the affected systems.

How To Fix

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

npm uninstall coursaic

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, consider using alternative packages that provide similar functionalities without the associated risks. Always ensure to review the security status of any package before integration.

Conclusion

The coursaic package has been identified as containing malicious code, which poses serious security risks to applications. Developers are urged to uninstall the package and seek alternatives to protect their applications from potential threats. Regular monitoring of package vulnerabilities is essential for maintaining application security.

See every vulnerability recorded for coursaic →

Share this vulnerability

FAQ

CoursAic is an npm package used in web applications to enhance user experience and provide various functionalities.

The malicious code in coursaic can lead to unauthorized access and data breaches, posing significant security risks.

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

If you have installed coursaic, you should uninstall it immediately using 'npm uninstall coursaic' and look for alternative packages.

Currently, there is no patch available for the coursaic package. It is recommended to remove the package until a secure version is released.

Sponsored Lume, the Habilume companion Habilume Habit tracker with a companion that grows with you Complete habits, earn Lume Points, and watch your Lume grow as you stay consistent. App Store Google Play

How To Fix

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

npm uninstall coursaic

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