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    CVE-2026-2635

    MLflow Use of Default Password Authentication Bypass Vulnerability. This vulnerability allows remote attackers to bypass authentication on affected installations of MLflow. Authentication is not required to exploit this vulnerability. The specific flaw exists within the basic_auth.ini file. The file contains hard-coded default credentials. An attacker can leverage this vulnerability to bypass authentication and execute arbitrary code in the context of the administrator. Was ZDI-CAN-28256.

    Published:Feb 20, 2026
    Last Modified:Apr 17, 2026
    EPS:Feb 20, 2026
    EPSS Score:0.01085
    CVSS Score:9.8

    Affected Products

    Vendor
    Mlflow
    Product
    Mlflow

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-1393 Use of Default Password

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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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