CVE-2026-33866: Lfprojects MLflow

Medium severity, CVSS 4.3. EPSS: 0.4% chance of exploitation in the next 30 days.

MLflow is vulnerable to an authorization bypass affecting the AJAX endpoint used to download saved model artifacts. Due to missing access‑control validation, a user without permissions to a given experiment can directly query this endpoint and retrieve model artifacts they are not authorized to access. This issue affects MLflow version through 3.10.1

Affected products

• Lfprojects MLflow: up to and including 3.10.1

Published 2026-04-07. Last modified 2026-06-17.