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CVE-2026-109291

8.5 high SSVC exploitation: none Published
NVD · CVE.org

Open WebUI from 0.6.33 before 0.11.4 contains a cross-site scripting vulnerability that allows authenticated users to execute script in victims' sessions by storing javascript: URLs in citation embed_url fields. Attackers can share a crafted chat whose citation, when clicked, is passed to window.open, letting them steal localStorage.token and act as the victim.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 3

  1. StatusAwaiting Analysis → PublishedNVD modified 2026-10-23 21:57
  2. StatusReceived → Awaiting AnalysisNVD modified 2026-10-15 16:25
  3. First seenCVSS 8.5NVD modified 2026-10-12 17:17

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 2