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    CVE-2026-55463

    The Goobi viewer is a web application that allows digitised material to be displayed in a web browser. From version 4.11.0 to before version 26.05, several Jakarta WebSocket endpoints in goobi-viewer-core (DownloadTaskEndpoint, CampaignEndpoint, AutocompleteEndpoint, UserEndpoint) accept connections without verifying that the associated HttpSession belongs to a logged-in user, and none validate the Origin header against an allowlist. An unauthenticated attacker can therefore connect to these endpoints; through CampaignEndpoint this allows polluting the in-process crowdsourcing page-lock map and broadcasting forged lock messages, disrupting reviewers' work. This issue has been patched in version 26.05.

    Published:Oct 23, 2026
    Last Modified:Oct 29, 2026
    EPS:Oct 23, 2026
    EPSS Score:0.00136
    CVSS Score:6.5

    Affected Products

    Vendor
    Intranda
    Product
    Goobi Viewer Core

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-46652 (CVSS 9.8) — The Goobi viewer is a web application that allows digitised material to be displayed in a web browser. From ve…
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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