MAL-2025-191470 Malicious code in org.mvnpm:posthog-node (Maven)
Malicious package
Published
MAL-2025-191470 is a malicious package: org.mvnpm:posthog-node (Maven). Every version was published to cause harm.
Task:
1. Search this repository's dependency manifests and lockfiles for the package, including transitive dependencies.
2. If it is present, remove it, regenerate the lockfile with the project's package manager, and replace whatever it was used for.
3. List any CI runners, developer machines or containers that installed it, so their secrets can be rotated.
4. If the package is not used anywhere, say so and change nothing.
Reference: https://insights.sbomify.com/MAL-2025-191470/ (Markdown: https://insights.sbomify.com/MAL-2025-191470/index.md)
- Package
- org.mvnpm:posthog-node
- Registry
- Maven
What is MAL-2025-191470?
MAL-2025-191470 is a malicious package in org.mvnpm:posthog-node, published on 26 Nov 2025.
Official description
This package was compromised by the Sha1-Hulud: The Second Coming NPM worm.
The malicious payload steals tokens and credentials and publishes them to
GitHub. The worm will propogate itself to NPM packages the user owns and
establish persistence is a GitHub action.
The package may also destroy the user's home directory.
What should I do about MAL-2025-191470?
Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.