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Malicious package

example-nestjs-apinpm

Advisory published Updated

example-nestjs-api is a confirmed malicious npm package (MAL-2025-47666) that executes malicious code on install (malicious versions 10.0.1, 99.9.9). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in example-nestjs-api (npm)

MAL-2025-47666
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall example-nestjs-api

Malicious versions

2 flagged
10.0.199.9.9

Indicators of compromise (SHA-256)

ad5a93f3b6db10e379ee7eccc8447299ad1cb1f35978de1393600b5d14ddfc39
71e4bc58679cc0d4ae3e153ee3ef51ac3d666afe1bf11e672672f5219397c1b5
50ff37300d6fce95cbad51acd609c8670830a32f2623f09761cb7c4d35337e8c

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for example-nestjs-api (2 malicious versions).

  2. If you installed it — respond

    Remove example-nestjs-api 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 activity or persistence.

  3. Did it already run?

    If example-nestjs-api was installed, its post-install payload may already have run. Removing the package does not undo that — check outbound connections and credential use from the install window onward.

Frequently asked questions

No. example-nestjs-api on npm has been identified as a malicious package (versions 10.0.1, 99.9.9 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2025-05008RLUA-2026-05079RLUA-2026-06227

References

Credits

  • Amazon Inspector · finder
  • ReversingLabs · finder

Detect & block this

O3 blocks example-nestjs-api-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the malicious outbound activity and severs the channel.

Explore

example-nestjs-api (npm) malicious package — MAL-2025-47666 | O3 Security