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Part of a larger attack: 2026-10-voice-synthesis-profiles published 43 malicious packages. See the full campaign →
Malicious package

shellgripPyPI

Advisory published Updated

shellgrip is a confirmed malicious PyPI package (MAL-2026-18146) that steals credentials and exfiltrates sensitive data (malicious version 0.1.0). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in shellgrip (PyPI)

MAL-2026-18146
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
pip uninstall shellgrip

What this malware does

This campaign consists of similar loader packages, which provide executing code from a given URL. While they do not contain the malicious payload and the usage remains unknown, they are clearly a coordinated campaign to place multiple deceptive ways to load malicious code.

Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.

Campaign: 2026-10-voice-synthesis-profiles

Reasons (based on the campaign):

  • Downloads and executes a remote malicious script.

  • other

Malicious versions

1 flagged
0.1.0

Indicators of compromise (SHA-256)

9e23472f83d676f848fc137b96283dd8819ee900b3f371400aa8263bb4f70339
98919cdd2df1e95c95ec6bd552fbbb0fc001b48efca51bbaa68d0c5ca36b89d5

Detection & response playbook

Credential / info stealer
  1. Find it

    Search your lockfiles and build artifacts for shellgrip (version 0.1.0).

  2. If you installed it — respond

    shellgrip is built to steal secrets, so assume every credential the build or runtime could read is compromised. Remove it from your project and lockfile, then rotate ALL exposed secrets — npm/registry tokens, cloud keys, CI/CD secrets, SSH keys, and any .env values — from a known-clean machine. Audit logs for unauthorized use of those credentials.

  3. Did it already run?

    If shellgrip 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. shellgrip on PyPI has been identified as a malicious package (version 0.1.0 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

2026-10-voice-synthesis-profiles

References

Credits

  • Kamil Mańkowski (kam193) · analyst

Detect & block this

O3 blocks shellgrip-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the credential exfiltration and severs the channel.

Explore

shellgrip (PyPI) malicious package — MAL-2026-18146 | O3 Security