Critical Malicious Code Vulnerability in @asyncapi/html-template Package
Summary
MAL-2025-190658: Malicious code in @asyncapi/html-template (npm). Affects @asyncapi/html-template versions 3.3.2 – 3.3.3. No fix is published. How to fix ↓
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Background
The @asyncapi/html-template package is an npm library designed to facilitate the generation of HTML documentation from AsyncAPI specifications. It is widely used in projects that require clear and structured API documentation. However, this package has been found to contain malicious code, posing significant security risks to systems that utilize it.
Vulnerability Detail
The vulnerability originates from the presence of embedded malicious code within versions 3.3.2 and 3.3.3 of the @asyncapi/html-template package. This malicious code can compromise any computer that has the package installed, potentially allowing unauthorized access to sensitive information, including secrets and keys. The ramifications of this vulnerability are severe, as it may lead to full control of the affected system by an external entity, making it imperative for users to act swiftly.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall @asyncapi/html-templateIf 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. Users should ensure that they have removed all traces of the package and any potential malicious software that may have been installed as a result.
Conclusion
The discovery of malicious code in the @asyncapi/html-template package poses a critical security threat to users. 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 @asyncapi/html-template package and rotate any secrets or keys stored on the affected system.
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As of now, there is no patched version available. Users are advised to remove the package entirely.
Failure to address this vulnerability may result in unauthorized access to sensitive data and complete control of your system by malicious actors.
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