Malicious Code Detected in @posthog/ingestion-alert-plugin: A Critical Security Alert
Summary
MAL-2025-190883: Malicious code in @posthog/ingestion-alert-plugin (npm). Affects @posthog/ingestion-alert-plugin versions 0.0.8. No fix is published. How to fix ↓
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Background
The @posthog/ingestion-alert-plugin is an npm package designed to facilitate data ingestion alerts for PostHog, a product analytics platform. This package is intended to enhance user experience by providing timely notifications about data ingestion issues. However, it has recently been flagged for containing malicious code, which poses significant security risks to applications utilizing this package.
Vulnerability Detail
The vulnerability originates from a malicious code injection within the @posthog/ingestion-alert-plugin package. This code can potentially compromise the integrity of applications that depend on it, leading to unauthorized access, data breaches, or other malicious activities. The specific version identified with this issue is 0.0.8, and it has been reported by Amazon Inspector as part of their security assessments.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall @posthog/ingestion-alert-pluginIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary workaround, consider removing the @posthog/ingestion-alert-plugin package from your project until a secure version is released. You can do this by running the command: npm uninstall @posthog/ingestion-alert-plugin.
Conclusion
The discovery of malicious code in the @posthog/ingestion-alert-plugin package highlights the importance of maintaining vigilance in open-source software management. Users are advised to update or remove the affected package to safeguard their applications against potential threats.
See every vulnerability recorded for @posthog/ingestion-alert-plugin →
FAQ
The malicious code is designed to compromise the security of applications using the @posthog/ingestion-alert-plugin, potentially leading to unauthorized access and data breaches.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. By simply analyzing your package-lock.json file, Vulert can inform you if your application is affected by this vulnerability.
Yes, the version 0.0.8 of the @posthog/ingestion-alert-plugin is identified as containing the malicious code.
If immediate updates are not possible, consider removing the package from your project as a temporary measure to mitigate risks.
Detailed information about the vulnerability can be found in the security advisories on platforms like GitHub and npm, as well as through security monitoring tools like Vulert.
