Critical Malicious Code Vulnerability in pulsard-utils Package

pulsard-utils Updated 14 Mar 2026

Summary

13/03/2026
CRITICAL
No i
Critical
Not published

MAL-2026-1415: Malicious code in pulsard-utils (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The pulsard-utils package is an npm utility designed to facilitate various tasks within the Pulsar ecosystem. It is commonly used for managing and interacting with Pulsar services. However, this package has been found to contain malicious code that compromises the security of any system it is installed on, making it a significant risk for developers and organizations relying on it.

Vulnerability Detail

The vulnerability stems from the presence of embedded malicious code within the pulsard-utils package. This code can grant unauthorized access to the system, leading to potential data breaches and loss of sensitive information. Any computer running this package should be considered fully compromised, as it may allow external entities to control the system. The origin of this malicious code has been traced back to a specific commit in the package's repository, indicating a deliberate insertion of harmful functionality.

How To Fix

This package is malicious. Remove it and rotate any credentials it could have accessed.

npm uninstall pulsard-utils

If 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 the system. It is crucial to ensure that all sensitive data is protected and that the system is monitored for any unusual activity following the removal.

Conclusion

The discovery of malicious code within the pulsard-utils package poses a serious threat to any system using it. Immediate action is required to remove the package and secure any compromised systems. Utilizing tools like Vulert can help in monitoring for such vulnerabilities in the future.

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FAQ

Immediately remove the pulsard-utils package from your system and rotate any sensitive keys or secrets stored on that device.

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Currently, there is no patch available for the malicious version of pulsard-utils. The best course of action is to remove the package entirely.

Failing to address this vulnerability could result in unauthorized access to your system, data breaches, and potential loss of sensitive information.

Vulert monitors and alerts users in real-time for open-source vulnerabilities using just the package-lock.json file, providing an easy way to stay informed about potential risks.

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How To Fix

This package is malicious. Remove it and rotate any credentials it could have accessed.

npm uninstall pulsard-utils

If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.

Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →

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