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    CVE-2026-2651

    A vulnerability in MLflow versions <=3.10.1.dev0 allows unauthorized access to multipart upload (MPU) endpoints when the `--serve-artifacts` mode is enabled. The authorization logic does not enforce resource-level permission checks for `/mlflow-artifacts/mpu/*` endpoints, enabling attackers to overwrite artifacts belonging to other users. This can lead to unauthorized cross-user writes, model supply chain poisoning, and arbitrary code execution when compromised models are loaded. The issue is resolved in version 3.10.0.

    Published:May 25, 2026
    Last Modified:Jun 4, 2026
    EPS:May 25, 2026
    EPSS Score:0.00054
    CVSS Score:9

    Affected Products

    Vendor
    Lfprojects
    Product
    Mlflow
    Vendor
    Mlflow
    Product
    Mlflow/mlflow

    Exploits

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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High