CVE-2026-86113

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    CVE-2026-86113

    Published: 5 Sept 2026Last Modified: 25 Sept 2026

    Summary: BookWyrm through 0.9.1 Insecure Direct Object Reference in edit-readthrough Allows Tampering with Other Users' Reading Records

    Details: 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.

    References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/86xxx/CVE-2026-86113.json, https://nvd.nist.gov/vuln/detail/CVE-2026-86113, https://www.vulncheck.com/advisories/bookwyrm-through-0.9.1-insecure-direct-object-reference-in-edit-readthrough-allows-tampering-with-other-users-reading-records, https://github.com/bookwyrm-social/bookwyrm, https://github.com/bookwyrm-social/bookwyrm/blob/v0.9.1/bookwyrm/views/status.py, https://github.com/geo-chen/oss/blob/main/bookwyrm.md#finding-3-authenticated-idor-in-edit-readthrough-allows-tampering-with-other-users-reading-progress

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -f4246d246d474939298fb49d715904ea38b4cb81

    Affected versions

    v0.9.0

    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
    CVE-2026-86113 | CVE-DB