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    CVE-2025-15603

    ** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by its CNA. Further investigation showed that it was not a security issue. Notes: The vendor explains: "The 't0p-s3cr3t' default was dead code on every supported startup path: start.sh, start_windows.bat and `open-webui serve` all set or auto-generate WEBUI_SECRET_KEY before the backend imports env.py. It was only ever reachable by invoking uvicorn directly, which is unsupported and unsafe (the app would then sign tokens/cookies with a public, hardcoded key)."

    Published:Mar 9, 2026
    Last Modified:Jun 18, 2026
    EPS:Mar 9, 2026
    EPSS Score:
    CVSS Score:3.7

    Affected Products

    Vendor
    Open-webui
    Product
    Open-webui

    Exploits

    No exploit reference

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    References

    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