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    CVE-2026-86113

    BookWyrm through 0.9.1 contains an authorization bypass vulnerability in the edit_readthrough function that allows authenticated users to modify other users' reading records. Attackers can exploit sequential ReadThrough IDs to overwrite arbitrary users' start dates, finish dates, progress, and progress mode, affecting reading statistics and exported data.

    Published:Sep 5, 2026
    Last Modified:Sep 8, 2026
    EPS:Sep 5, 2026
    EPSS Score:0.0024
    CVSS Score:6.5

    Affected Products

    Vendor
    Bookwyrm-social
    Product
    Bookwyrm
    Vendor
    Joinbookwyrm
    Product
    Bookwyrm

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    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