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    CVE-2026-41949

    Dify before version 1.14.2 contains an authorization bypass vulnerability in the file preview endpoint that allows any authenticated user to read up to 3,000 characters of any uploaded document across all tenants and workspaces using only the file's UUID. Attackers can access the /console/api/files/{file_id}/preview endpoint with an intercepted file UUID to extract sensitive content from documents without ownership or workspace permission verification. NOTE: Dify Cloud allows unauthenticated free self-registration, making account creation trivially accessible to any attacker.

    Published:May 18, 2026
    Last Modified:Jul 14, 2026
    EPS:May 18, 2026
    EPSS Score:0.00435
    CVSS Score:5.9

    Affected Products

    Vendor
    Dify
    Product
    Dify
    Vendor
    Langgenius
    Product
    Dify

    Exploits

    https://huntr.com/bounties/d50a0240-7951-4939-b989-9bded66c7682

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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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