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    CVE-2026-86111

    BookWyrm through 0.9.1 fails to validate user visibility permissions in the status edit endpoint, allowing authenticated attackers to read followers-only and direct-message reviews by enumerating sequential status IDs. Attackers can access the raw content of restricted statuses through the edit view, bypassing the privacy protections documented for these message types.

    Published:Sep 5, 2026
    Last Modified:Sep 8, 2026
    EPS:Sep 5, 2026
    EPSS Score:0.0025
    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