Critical Malicious Code Vulnerability in @postman/csv-parse Package
Summary
MAL-2025-190646: Malicious code in @postman/csv-parse (npm). Affects @postman/csv-parse versions 4.0.3 – 4.0.5. No fix is published. How to fix ↓
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Background
The @postman/csv-parse package is a widely used library in the npm ecosystem, designed for parsing CSV data in JavaScript applications. It provides functionalities to convert CSV strings into JavaScript objects, making it easier for developers to handle CSV data. However, recent findings have revealed that certain versions of this package contain malicious code, posing significant security risks to any application that utilizes it.
Vulnerability Detail
The vulnerability stems from the presence of embedded malicious code within the @postman/csv-parse package. This code can compromise any computer that has the package installed, allowing unauthorized access to sensitive information such as secrets and keys. The malicious code can lead to full control of the affected system by an outside entity, making it imperative for users to take immediate action to mitigate the risks associated with this vulnerability.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall @postman/csv-parseIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
There are no specific workarounds to mitigate the risks posed by this vulnerability other than removing the affected package and rotating sensitive information. It is recommended to monitor your application for any unusual activity following the removal.
Conclusion
The discovery of malicious code in the @postman/csv-parse package poses a serious threat to users and their systems. Immediate action is required to uninstall the affected versions and secure any compromised information. Utilizing tools like Vulert can help monitor for such vulnerabilities in the future.
See every vulnerability recorded for @postman/csv-parse →
FAQ
Versions 4.0.5, 4.0.4, and 4.0.3 of the @postman/csv-parse package are known to contain malicious code.
You should immediately uninstall the package and rotate any secrets or keys stored on your system.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. You can check your application using the Vulert playground without any signup.
Failing to address this vulnerability can lead to unauthorized access to your system, potential data breaches, and loss of sensitive information.
There is no patch available for the affected versions. The recommended action is to uninstall the package.
