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    CVE-2026-51876

    DeepTutor 1.4.0 contains an authorization bypass vulnerability in the book confirmation flow. An unauthenticated or unauthorized caller can reuse a publicly exposed book_id to submit a confirm-proposal request for an existing book, causing unauthorized overwrites of persisted metadata and spine content.

    Published:Oct 1, 2026
    Last Modified:Oct 22, 2026
    EPS:Oct 1, 2026
    EPSS Score:0.00256
    CVSS Score:9.1

    Affected Products

    Vendor
    Hkuds
    Product
    Deeptutor

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-285 Improper Authorization

    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