Critical Malicious Code Vulnerability in @hrmony/devtool-configuration Package
Summary
MAL-2026-17260: Malicious code in @hrmony/devtool-configuration (npm). Affects @hrmony/devtool-configuration versions 1.99.0. No fix is published. How to fix ↓
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Background
The @hrmony/devtool-configuration package is an npm module designed for development tool configuration management. It is used to streamline the setup and configuration of various development tools in JavaScript projects. However, this package has been found to contain malicious code that compromises the security of systems where it is installed.
Vulnerability Detail
The vulnerability originates from the package's index.js file, which performs an unconditional POST request to an external server upon import. This request sends sensitive information, including AWS EC2 instance metadata, IAM security credentials, and environment variables, to an attacker-controlled host. The malicious code executes without any user consent, leading to a complete compromise of the affected system. Users should consider any system with this package installed as fully compromised.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall @hrmony/devtool-configurationIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
There are no effective workarounds to mitigate the risks posed by this vulnerability other than removing the package entirely.
Conclusion
The @hrmony/devtool-configuration package contains a critical vulnerability that allows malicious actors to collect sensitive information from affected systems. Immediate action is required to remove the package and secure any exposed credentials. Utilizing tools like Vulert can help monitor for such vulnerabilities in the future.
See every vulnerability recorded for @hrmony/devtool-configuration →
FAQ
Immediately uninstall the @hrmony/devtool-configuration package and rotate any secrets or keys that may have been exposed.
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Leaving this package installed can lead to unauthorized access to sensitive information, including AWS credentials and environment variables, potentially compromising your entire system.
After removing the package, ensure that you rotate all credentials and secrets that may have been exposed. Monitor your systems for any unusual activity.
This vulnerability can lead to a complete compromise of your development environment, allowing attackers to gain access to sensitive data and potentially control your systems.
