Critical Malicious Code Vulnerability in syntax-do-expressions Package
Summary
MAL-2026-1549: Malicious code in syntax-do-expressions (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The syntax-do-expressions package is an npm library designed to facilitate the use of do-expressions in JavaScript, allowing for more concise and readable code. However, this package has been compromised, embedding malicious code that poses significant security risks to any system utilizing it. The vulnerability stems from the package's installation, which can lead to unauthorized access and control over the affected system.
Vulnerability Detail
The vulnerability identified in the syntax-do-expressions package is classified as embedded malicious code (CWE-506). This malicious code can fully compromise any computer that has the package installed or running. The ramifications include potential data breaches, unauthorized access to sensitive information, and the possibility of further malware installation. Users are advised to treat any system with this package as compromised, necessitating immediate action to secure their environment.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall syntax-do-expressionsIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a workaround, ensure that all secrets and keys stored on the compromised computer are rotated immediately from a different, secure machine. This is essential to mitigate the risks associated with the malicious code.
Conclusion
The syntax-do-expressions package has been compromised with malicious code, posing severe security risks. Users must act swiftly to remove the package and secure their systems. Regular monitoring and vulnerability checks, such as those provided by Vulert, are essential for maintaining software security.
See every vulnerability recorded for syntax-do-expressions →
FAQ
It is an npm library that allows developers to use do-expressions in JavaScript, enhancing code readability.
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Immediately remove the package from your system and rotate any sensitive information stored on that machine.
Currently, there is no patched version available. Users should focus on removing the package and securing their systems.
Failing to address this vulnerability can lead to unauthorized access, data breaches, and further malware infections on your system.
