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    CVE-2025-63389

    A critical authentication bypass vulnerability exists in Ollama platform's API endpoints in versions prior to and including v0.12.3. The platform exposes multiple API endpoints without requiring authentication, enabling remote attackers to perform unauthorized model management operations.

    Published:Dec 18, 2025
    Last Modified:Jan 22, 2026
    EPS:Dec 18, 2025
    EPSS Score:0.00218
    CVSS Score:9.8

    Affected Products

    Vendor
    Ollama
    Product
    Ollama

    Exploits

    No exploit reference

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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