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    CVE-2026-48073

    Docmost is open-source collaborative wiki and documentation software. From 0.70.0 until 0.80.1, a low-privileged authenticated user who can edit an exportable page can embed a forged attachmentId that belongs to a restricted page in the same space. Exporting the attacker-controlled page with includeAttachments=true causes the page export flow to read the restricted attachment from storage and include it in the returned ZIP archive even though direct file download denies access. This issue is fixed in version 0.80.1.

    Published:Sep 24, 2026
    Last Modified:Sep 25, 2026
    EPS:Sep 24, 2026
    EPSS Score:
    CVSS Score:4.3

    Affected Products

    Vendor
    Docmost
    Product
    Docmost

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2025-57231 (CVSS 7.5) — Path Traversal in avatar attachments in Docmost v0.21.0 allows an unauthenticated malicious actor to disclose …
    CVE-2026-40927 (CVSS 5.4) — Docmost is open-source collaborative wiki and documentation software. Prior to 0.80.0, when leaving a comment …
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    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