CVE-2026-6859

HighCVSS 8.8/10Last modified Jul 15, 2026

Description

A flaw was found in InstructLab. The `linux_train.py` script hardcodes `trust_remote_code=True` when loading models from HuggingFace. This allows a remote attacker to achieve arbitrary Python code execution by convincing a user to run `ilab train/download/generate` with a specially crafted malicious model from the HuggingFace Hub. This vulnerability can lead to complete system compromise.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-829

Affected software

No affected versions have been published.

Timeline

Published: Apr 22, 2026
Last modified: Jul 15, 2026
NVD status: Modified

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