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CVE-2026-70492 Open WebUI: Stored XSS via unescaped KaTeX render-error fallback in rendered messages

🗓️ 04 Aug 2026 20:53:36Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 12 Views

Stored cross site scripting in Open WebUI via KaTeX fallback that inserts HTML and risks token theft.

Related
Affected
Refs
[
  {
    "vendor": "open-webui",
    "product": "open-webui",
    "versions": [
      {
        "version": ">= 0.10.0, < 0.11.0",
        "status": "affected"
      }
    ]
  }
]

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