Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to version 0.7.0, aanually modifying chat history allows setting the `html` property within document metadata. This causes the frontend to enter a code path that treats document contents as HTML, and render them in an iFrame when the citation is previewed. This allows stored XSS via a weaponized document payload in a chat. The payload also executes when the citation is viewed on a shared chat. Version 0.7.0 fixes the issue.
Metrics
Affected Vendors & Products
References
History
Fri, 20 Feb 2026 01:15:00 +0000
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ssvc
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Thu, 19 Feb 2026 20:00:00 +0000
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| Description | Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to version 0.7.0, aanually modifying chat history allows setting the `html` property within document metadata. This causes the frontend to enter a code path that treats document contents as HTML, and render them in an iFrame when the citation is previewed. This allows stored XSS via a weaponized document payload in a chat. The payload also executes when the citation is viewed on a shared chat. Version 0.7.0 fixes the issue. | |
| Title | Open WebUI vulnerable to Stored XSS via iFrame in citations model | |
| Weaknesses | CWE-79 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-02-19T21:23:23.625Z
Reserved: 2026-02-11T19:56:24.812Z
Link: CVE-2026-26192
Updated: 2026-02-19T21:16:46.109Z
Status : Received
Published: 2026-02-19T20:25:42.290
Modified: 2026-02-19T20:25:42.290
Link: CVE-2026-26192
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OpenCVE Enrichment
No data.