CVE-2026-33866

Medium

Description

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

SeverityMedium
CVSS4.3
Exploit probability—
ProductLfprojects Mlflow
PublishedApr 7, 2026
First seenApr 7, 2026

How to fix

Update
  • mlflow3.11.0rc0 or later

Affected products

ProductAffected versionsFixed in
lfprojects mlflowv ≤ 3.10.1—
mlflowPyPIv < 3.11.0rc03.11.0rc0

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CVE-2026-33866 · Lfprojects Mlflow · Dark Radar