Which versions of archetype-style are malicious?

The following npm versions of archetype-style are flagged malicious: 99.9.1. Treat any of these as compromised.

How do I remediate archetype-style if I installed it?

Remove archetype-style from your project and lockfile, then assume any secrets accessible to the build or runtime were exposed: rotate API keys, tokens, and credentials, and audit for unexpected outbound network activity or persistence. Use O3 Security's dependency scanner to confirm the package and its artifacts are fully purged across your stack.

Is archetype-style part of a known attack campaign?

Yes — archetype-style is associated with the GHSA-m9f5-cp7r-48pm campaign. Packages in the same campaign often share infrastructure and payloads, so check whether any related packages are also in your dependency tree.

Can O3 Security detect archetype-style in my codebase?

Yes. O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, blocking archetype-style and packages like it before any post-install script runs.

Malicious package

archetype-stylenpm

Malicious code in archetype-style (npm) Remove it immediately and rotate any exposed credentials.

MAL-2026-3215

Immediate action

Remove the package, then rotate any secrets the build/runtime could reach.

npm uninstall archetype-style

What this malware does

The package archetype-style was found to contain malicious code.

Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of the computer may have been given to an outside entity, there is no guarantee that removing the package will remove all malicious software resulting from installing it.

The OpenSSF Package Analysis project identified 'archetype-style' @ 99.9.1 (npm) as malicious.

It is considered malicious because:

The package communicates with a domain associated with malicious activity.

Malicious versions

1 flagged

99.9.1

Indicators of compromise (SHA-256)

9ed9e2472b8f9c3b656516f5a7a52d090685297a9af5a3fe5c3245fca297d120

8a6fb5b405c9035099932e46f80bb6fe9740d3f727020700cc1e6ad36db2caf8

1a4167fceb94cc67abfdbf63173e2c469bae6c8a830dfb9c11c3a999d9446416

Frequently asked questions

No. archetype-style on npm has been identified as a malicious package (version 99.9.1 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

GHSA-m9f5-cp7r-48pm

References

github.com

Credits

Amazon Inspector · finder
OpenSSF: Package Analysis · finder

Scan your dependencies

O3 Security blocks malicious packages like this at install time and in CI.

Supply-chain protection