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    CVE-2026-44560

    Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, the type: "file" (non-full-context), type: "text" with collection_name, and bare collection_name/collection_names paths in the get_sources_from_items function perform vector store queries without any authorization check, allowing users to extract content from files and knowledge bases they do not have access to. This vulnerability is fixed in 0.9.0.

    Published:May 15, 2026
    Last Modified:May 19, 2026
    EPS:May 15, 2026
    EPSS Score:0.00028
    CVSS Score:6.5

    Affected Products

    Vendor
    Open-webui
    Product
    Open-webui
    Vendor
    Openwebui
    Product
    Open Webui

    Exploits

    https://github.com/open-webui/open-webui/security/advisories/GHSA-h36f-rqpx-j5wx

    Common Weakness Enumeration

    CWE-862 Missing Authorization

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-665 Exploitation of Thunderbolt Protection Flaws

    Related CVEs

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    CVE-2026-88002 (CVSS 6.5) — Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.5.0 until 0.11.1,…
    CVE-2026-88001 (CVSS 5) — Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.5 until 0.11.1,…
    CVE-2026-88000 (CVSS 6.5) — Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.10.0 until 0.11.1…
    CVE-2026-87999 (CVSS 7.1) — Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. Prior to 0.11.1, POST /a…
    CVE-2026-87998 (CVSS 7.1) — Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.10.0 until 0.11.1…
    CVE-2026-87997 (CVSS 4.3) — Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.10.0 until 0.11.1…
    CVE-2026-87996 (CVSS 7.7) — Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.6 until 0.11.1,…
    CVE-2026-87995 (CVSS 8.7) — Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.8.11 until 0.11.1…

    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