CVE-2026-33866

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

References

• https://cert.pl/en/posts/2026/04/CVE-2026-33865/
• https://github.com/mlflow/mlflow/pull/21708