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    CVE-2026-59221

    Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.6 before 0.10.0, _sanitize_proxy_path in backend/open_webui/routers/terminals.py decoded proxy paths only eight times, allowing a nine-times percent-encoded ../ traversal value to pass normalization checks and be decoded by the upstream terminal server. This issue is fixed in version 0.10.0.

    Published:Jul 9, 2026
    Last Modified:Jul 9, 2026
    EPS:Jul 9, 2026
    EPSS Score:
    CVSS Score:7.7

    Affected Products

    Vendor
    Open-webui
    Product
    Open-webui

    Exploits

    https://github.com/open-webui/open-webui/security/advisories/GHSA-frvj-c5qp-xj4whttps://github.com/open-webui/open-webui/security/advisories/GHSA-frvj-c5qp-xj4w

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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