Malicious Code Detected in @angular_devkit/core: Version 99.1.1 Vulnerability

@angular_devkit/core Updated 02 Oct 2025

Summary

13/08/2025
CRITICAL
No i
Critical
Not published

MAL-2025-6869: Malicious code in @angular_devkit/core (npm). Affects @angular_devkit/core versions 99.1.1. No fix is published. How to fix ↓

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Background

The @angular_devkit/core package is a crucial component of the Angular framework, providing tools and utilities for building and managing Angular applications. It facilitates tasks such as project configuration, build processes, and dependency management. However, version 99.1.1 has been flagged for containing malicious code that compromises its integrity and security.

Vulnerability Detail

The vulnerability in @angular_devkit/core originates from version 99.1.1, identified by the OpenSSF Package Analysis project. This version is considered malicious due to its communication with a domain linked to malicious activities and the execution of commands associated with harmful behavior. The ramifications of this vulnerability include potential data breaches, unauthorized access to systems, and the execution of harmful scripts on user machines.

How To Fix

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

npm uninstall @angular_devkit/core

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 @angular_devkit/core package from your project if it is not essential. Use the command: npm uninstall @angular_devkit/core. However, this may affect your project's functionality, so consider this option carefully.

Conclusion

The discovery of malicious code in @angular_devkit/core version 99.1.1 poses significant security risks. It is crucial for developers to update their packages promptly and utilize tools like Vulert for ongoing monitoring of vulnerabilities. By taking these steps, you can help safeguard your applications from potential threats.

See every vulnerability recorded for @angular_devkit/core →

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FAQ

The malicious behavior includes communication with a domain associated with harmful activities and executing commands that could compromise system security.

You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. Visit Vulert Scanner to check your application without requiring any signup.

If an immediate update is not possible, consider removing the package temporarily as a workaround, but be aware that this may impact your application's functionality.

Yes, versions prior to 99.1.1 are considered safe. It is advisable to check the release notes for the latest stable version.

Regularly monitor your dependencies using tools like Vulert and keep your packages updated to the latest stable versions to minimize security risks.

How To Fix

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

npm uninstall @angular_devkit/core

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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