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Compromised scope

@posthog

The @posthog scope on npm published 56 malicious packages. See the full package list, affected versions, and how to check whether your dependency tree pulled any of them in.

Malicious packages
56
Advisories
56
Ecosystem
npm
First seen
2025-11-24

What to do if you depend on any of these

Every package below was published as malicious under @posthog. Treat any machine that installed one as compromised: remove the package and its lockfile entry, rotate every credential the build or runtime could reach (registry tokens, cloud keys, CI/CD secrets, SSH keys, and any .env values) from a known-clean machine, and audit for unexpected outbound activity.

Because the packages share a publisher scope, a project that pulled in one has an elevated chance of having pulled in others. Search your lockfiles for @posthog rather than checking a single package name.

All 56 packagesnpm