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Malicious package

crelic-bqwheel-52f66a3f1dPyPI

Advisory published Updated

crelic-bqwheel-52f66a3f1d is a confirmed malicious PyPI package (MAL-2026-17863) that steals credentials and exfiltrates sensitive data (malicious version 0.0.1). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in crelic-bqwheel-52f66a3f1d (PyPI)

MAL-2026-17863
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
pip uninstall crelic-bqwheel-52f66a3f1d

What this malware does

Package attempts to collect environment variables from a specific environment, self-identified as BigQuery user-defined functions research. The final exfiltration of collected data seems to require the control of the execution environment, supporting the research/pentest claims.

Category: PROBABLY_PENTEST - Packages looking like typical pentest packages, but also anything that looks like testing, exploring pre-prepared kits, research & co, with clearly low-harm possibilities.

Campaign: 2026-10-crelic-bqwheel-52f66a3f1d

Reasons (based on the campaign):

  • abuses-pth

  • exfiltration-env-variables

  • The package contains code to exfiltrate basic data from the system, like IP or username. It has a limited risk.

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

0ca34d571eaf519847a961f7da1f203d35f7a3c011f5fd4df3744f50a0615d2e
d4583665a5bfbe548102afc727dccfb09aab21d16c8e3faa47590da72c2c1164

Detection & response playbook

Credential / info stealer
  1. Find it

    Search your lockfiles and build artifacts for crelic-bqwheel-52f66a3f1d (version 0.0.1).

  2. If you installed it — respond

    crelic-bqwheel-52f66a3f1d 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 crelic-bqwheel-52f66a3f1d 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. crelic-bqwheel-52f66a3f1d on PyPI has been identified as a malicious package (version 0.0.1 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

2026-10-crelic-bqwheel-52f66a3f1d

References

Credits

  • Kamil Mańkowski (kam193) · reporter

Detect & block this

O3 blocks crelic-bqwheel-52f66a3f1d-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

crelic-bqwheel-52f66a3f1d (PyPI) malicious package — MAL-2026-17863 | O3 Security