CVE-2026-33866: Authorization Bypass in MLflow AJAX Endpoint
Published Apr 7, 2026
·Updated
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 Software
2 affected components
pip/mlflow<=3.10.1
Lfprojects Mlflow<=3.10.1
Remediation
Patch Available
Event History
Apr 7, 2026
CVE Published
via MITRE·12:57 PM
Data Sourced
via MITRE·12:57 PM
DescriptionWeakness
Data Sourced
via NVD·01:16 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·01:16 PM
RemedyAffected Software
Advisory Published
via GitHub·03:30 PM
Data Sourced
via GitHub·03:30 PM
DescriptionWeaknessAffected Software