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    CVE-2025-63386

    A Cross-Origin Resource Sharing (CORS) misconfiguration vulnerability exists in Dify v1.9.1 in the /console/api/setup endpoint. The endpoint implements an insecure CORS policy that reflects any Origin header and enables Access-Control-Allow-Credentials: true, permitting arbitrary external domains to make authenticated requests. NOTE: the Supplier disputes this because the endpoint configuration is intentional to support bootstrap.

    Published:Dec 18, 2025
    Last Modified:Feb 11, 2026
    EPS:Dec 18, 2025
    EPSS Score:0.00019
    CVSS Score:9.1

    Affected Products

    Vendor
    Dify
    Product
    Dify
    Vendor
    Langgenius
    Product
    Dify

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-346 Origin Validation Error

    Related CVEs

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    CVE-2026-21866 (CVSS 5.1) — Dify is an open-source LLM app development platform. Prior to 1.11.2, Dify is vulnerable to a stored XSS issue…
    CVE-2026-28288 (CVSS 5.5) — Dify is an open-source LLM app development platform. Prior to 1.9.0, responses from the Dify API to existing a…
    CVE-2026-26023 (CVSS 5.3) — Dify is an open-source LLM app development platform. Prior to 1.13.0, a cross site scripting vulnerability has…
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    CVE-2025-63388 (CVSS 9.1) — A Cross-Origin Resource Sharing (CORS) misconfiguration vulnerability exists in Dify v1.9.1 in the /console/ap…
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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