MLflow authenticated users can enumerate any registered model versions due to lack of per-model permissions checks

In mlflow/mlflow versions up to 3.9.0, the SearchModelVersions REST API endpoint and the mlflowSearchModelVersions GraphQL query lack proper per-model authorization checks when basic authentication is enabled. This allows any authenticated user to enumerate all model versions across all registere...

CVE-2026-2734 Authorization Bypass in SearchModelVersions in mlflow/mlflow

In mlflow/mlflow versions up to 3.9.0, the SearchModelVersions REST API endpoint and the mlflowSearchModelVersions GraphQL query lack proper per-model authorization checks when basic authentication is enabled. This allows any authenticated user to enumerate all model versions across all registere...

CVE-2026-2734

Summary : For mlflow/mlflow up to version 3.9.0, the REST endpoint GET /api/2.0/mlflow/model-versions/search and the GraphQL query mlflowSearchModelVersions lack per-model authorization when basic auth is enabled. This results in any authenticated user being able to enumerate all model versions a...