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    CVE-2025-63388

    A Cross-Origin Resource Sharing (CORS) misconfiguration vulnerability exists in Dify v1.9.1 in the /console/api/system-features endpoint. The endpoint implements an overly permissive CORS policy that reflects arbitrary Origin headers and sets Access-Control-Allow-Credentials: true, allowing any external domain to make authenticated cross-origin requests. NOTE: the Supplier disputes this, providing the rationale of "sending requests with credentials does not provide any additional access compared to unauthenticated requests."

    Published:Dec 18, 2025
    Last Modified:Jan 28, 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…
    CVE-2025-67732 (CVSS 8.4) — Dify is an open-source LLM app development platform. Prior to version 1.11.0, the API key is exposed in plaint…
    CVE-2025-63386 (CVSS 9.1) — A Cross-Origin Resource Sharing (CORS) misconfiguration vulnerability exists in Dify v1.9.1 in the /console/ap…
    CVE-2025-56520 (CVSS 5.3) — Dify v1.6.0 was discovered to contain a Server-Side Request Forgery (SSRF) via the component controllers.conso…

    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