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    CVE-2026-34222

    Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to version 0.8.11, there is a broken access control vulnerability in tool values. This issue has been patched in version 0.8.11.

    Published:Apr 1, 2026
    Last Modified:Apr 15, 2026
    EPS:Apr 1, 2026
    EPSS Score:0.0001
    CVSS Score:7.7

    Affected Products

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

    Exploits

    http://seclists.org/fulldisclosure/2026/Apr/4

    Common Weakness Enumeration

    CWE-285 Improper Authorization

    Related CVEs

    CVE-2026-88006 (CVSS 6.5) — Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.8.0 until 0.11.1,…
    CVE-2026-88005 (CVSS 6.5) — Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.8.0 until 0.9.0, …
    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