Critical Malicious Code Vulnerability in syntax-flow Package
Summary
MAL-2026-574: Malicious code in syntax-flow (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The syntax-flow package is a tool used in the npm ecosystem for managing and processing syntax flows in JavaScript applications. It is designed to enhance code readability and maintainability by providing a structured approach to syntax management. However, this package has been found to contain malicious code that poses significant security risks to any system where it is installed.
Vulnerability Detail
The vulnerability originates from the presence of embedded malicious code within the syntax-flow package. This code can compromise any computer that has the package installed, allowing unauthorized access to sensitive information such as secrets and keys. The ramifications of this vulnerability are severe, as it can lead to complete system compromise, data breaches, and potential exploitation by malicious actors. Users are advised to treat any system running this package as fully compromised.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall syntax-flowIf 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 for this vulnerability other than removing the package and securing your system. Ensure that you monitor your environment for any signs of compromise.
Conclusion
The syntax-flow package has been identified as containing malicious code that poses a serious security threat. Immediate action is required to remove the package and secure any compromised systems. Users should remain vigilant and utilize tools like Vulert for ongoing monitoring of vulnerabilities.
See every vulnerability recorded for syntax-flow →
FAQ
The syntax-flow package is an npm tool used for managing syntax flows in JavaScript applications, aimed at improving code structure and readability.
The malicious code can compromise your system, allowing unauthorized access to sensitive information and potentially leading to data breaches.
You should immediately remove the syntax-flow package and rotate any secrets or keys stored on the affected system.
Currently, there is no patched version available. The best course of action is to remove the package entirely.
You can use Vulert, which monitors and alerts in real-time for open-source vulnerabilities using just your package-lock.json. You can check if your application is affected by this vulnerability using the Vulert playground at Vulert Scanner without any signup.
