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CVE-2026-87996

CVE-2026-87996 · Open WebUI: SSRF into internal services via DNS rebinding in the Playwright web loader

This page contains facts from public vulnerability sources. Check the original advisory before updating.

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.6 until 0.11.1, SafePlaywrightURLLoader in backend/open_webui/retrieval/web/utils.py validated a user-controlled hostname in Python and then let the Playwright browser resolve it again in the sync and async request interceptors. An authenticated user controlling authoritative DNS could return a public address to validation and an internal address to the browser, exposing responses from internal services or cloud metadata through web search or URL ingestion. This issue is fixed in version 0.11.1.

CVSS 7.7 · High · EPSS 0.4% · Fix available

Published
Updated

Stack: python

Affected products and versions

  • open-webui

    Versions
    • >= 0.9.6, < 0.11.1: Affected

    No fix published

  • open-webui PyPI

    Versions
    • 0.10.0
    • 0.10.1
    • 0.10.2
    • 0.11.0
    • 0.9.6
    Affected ranges
    • ECOSYSTEM: ≥ 0.9.6, < 0.11.1

    Update to 0.11.1

Original sources

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