Malicious Code Detected in arc-branch-to-cmsg Package

arc-branch-to-cmsg Updated 02 Oct 2025

Summary

14/08/2025
CRITICAL
No i
Critical
Not published

MAL-2025-14768: Malicious code in arc-branch-to-cmsg (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 Mobile apps built by Devnack Design, build and launch iOS and Android apps with a senior product team. From idea to store release Start a project

Background

The arc-branch-to-cmsg package is an npm library designed for managing branches in a content management system. It is utilized in various web applications to streamline the development process. However, this package has been identified to contain malicious code, posing significant risks to applications that depend on it.

Vulnerability Detail

The vulnerability in the arc-branch-to-cmsg package originates from the inclusion of malicious code that can compromise the security of applications using this package. This malicious code can lead to unauthorized access, data breaches, or other harmful actions within the affected systems. The presence of such code is a serious concern for developers and organizations relying on this package for their projects.

How To Fix

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

npm uninstall arc-branch-to-cmsg

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 replace the functionality provided by arc-branch-to-cmsg with an alternative package that offers similar features without the associated risks. Ensure to thoroughly review any new package for vulnerabilities before integrating it into your project.

Conclusion

The arc-branch-to-cmsg package has been identified as containing malicious code, which poses a serious risk to applications that utilize it. It is crucial for developers to take immediate action by uninstalling the package and seeking alternatives. Regular monitoring of dependencies is essential to maintain application security.

See every vulnerability recorded for arc-branch-to-cmsg →

Share this vulnerability

FAQ

The arc-branch-to-cmsg package is an npm library used for managing branches in content management systems.

The specific nature of the malicious code has not been disclosed, but it poses significant security risks to applications using the package.

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.

You should uninstall the arc-branch-to-cmsg package immediately and look for alternative solutions or wait for a patched version to be released.

Regularly monitor your dependencies using tools like Vulert and keep your packages updated to minimize the risk of vulnerabilities.

How To Fix

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

npm uninstall arc-branch-to-cmsg

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