Skip to content
OpenAdvisories
Malicious MAL-2025-1983

mlc-llm-nightly-cu123

PyPI package · versions 9.9.9

Reported Jan 21, 2025 · Updated Mar 19, 2026

If this package is installed

Remove it, treat the machine (or CI runner) as compromised, and rotate every secret, token and key it could access — from a different, clean machine.

Details

Source: kam193 (99d49619be0a9e2bcedb22bd4ea489b5cb31a56558e763a78fd09a6f948f2d9e)
Installing the package exfiltrates information about the host, including environmental variables.

---

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

Campaign: 2025-01-mlc-ai-nightly

Reasons (based on the campaign):

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

- The package overrides the install command in setup.py to execute malicious code during installation.

- exfiltration-env-variables

- dependency-confusion

Indicators of compromise

Shown defanged and not clickable. Search any indicator to find other packages using it.

Domains