Vulnerability in Red Hat Enterprise Linux Ai (Rhel Ai) 3

CVE-2026-6859

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 `ila…

EPSS: 0.001 (33.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-6859?
CVE-2026-6859 is a high-severity vulnerability in Red Hat Enterprise Linux Ai (Rhel Ai) 3, classified under Inclusion of Functionality from Untrusted Control Sphere. CVSS score: 8.8/10. Published 2026-04-22.
How severe is CVE-2026-6859?
High severity. CVSS v3 base score is 8.8 out of 10.