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    CVE-2026-34586

    PdfDing is a selfhosted PDF manager, viewer and editor offering a seamless user experience on multiple devices. Prior to version 1.7.1, check_shared_access_allowed() validates only session existence — it does not check SharedPdf.inactive (expiration / max views) or SharedPdf.deleted. The Serve and Download endpoints rely solely on this function, allowing previously-authorized users to access shared PDF content after expiration, view limit, or soft-deletion. This issue has been patched in version 1.7.1.

    Published:Mar 31, 2026
    Last Modified:Apr 14, 2026
    EPS:Mar 31, 2026
    EPSS Score:0.00033
    CVSS Score:6.5

    Affected Products

    Vendor
    Mrmn2
    Product
    Pdfding
    Vendor
    Pdfding
    Product
    Pdfding

    Exploits

    https://github.com/mrmn2/PdfDing/security/advisories/GHSA-vfqx-2464-38wf

    Common Weakness Enumeration

    CWE-863 Incorrect Authorization

    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