Critical Malicious Code Vulnerability in tsconfig-stitch Package
Summary
MAL-2026-695: Malicious code in tsconfig-stitch (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The tsconfig-stitch package is an npm module designed to help developers manage TypeScript configuration files efficiently. It allows for the stitching together of multiple tsconfig files, making it easier to maintain complex projects. However, this package has been found to contain malicious code that compromises the security of any system it is installed on.
Vulnerability Detail
The vulnerability stems from the presence of embedded malicious code within the tsconfig-stitch package. This code can fully compromise any computer that has the package installed, allowing unauthorized access to sensitive information such as secrets and keys. The origin of this vulnerability is linked to the package being flagged as malicious by security researchers, indicating that it poses a significant risk to users. The ramifications include potential data breaches and loss of control over the affected systems.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall tsconfig-stitchIf 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 you do not use the tsconfig-stitch package in your projects. If you need similar functionality, consider using alternative packages that are well-reviewed and have a good security track record.
Conclusion
The tsconfig-stitch package poses a critical security risk due to embedded malicious code. Immediate action is required to remove the package and secure any compromised systems. Users are advised to monitor their applications for vulnerabilities and consider using alternative packages.
See every vulnerability recorded for tsconfig-stitch →
FAQ
You should uninstall the tsconfig-stitch package immediately and rotate any secrets or keys stored on the affected system.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without requiring any signup.
Leaving the tsconfig-stitch package installed can lead to unauthorized access to sensitive data and complete control of your system by malicious actors.
After removing the package, it is essential to rotate all secrets and keys and monitor your system for any unusual activity.
Yes, consider using other well-reviewed npm packages that provide similar functionality without the security risks.
