Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, a stored cross-site scripting (XSS) vulnerability that allows any authenticated user with model creation permission (workspace.models) to execute arbitrary JavaScript in the browser of any other user (including admins) who views the malicious model in the chat UI. This vulnerability is fixed in 0.9.0.
Metrics
Affected Vendors & Products
References
History
Tue, 19 May 2026 01:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Openwebui
Openwebui open Webui |
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| CPEs | cpe:2.3:a:openwebui:open_webui:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Openwebui
Openwebui open Webui |
Fri, 15 May 2026 22:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Open-webui
Open-webui open-webui |
|
| Vendors & Products |
Open-webui
Open-webui open-webui |
Fri, 15 May 2026 20:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, a stored cross-site scripting (XSS) vulnerability that allows any authenticated user with model creation permission (workspace.models) to execute arbitrary JavaScript in the browser of any other user (including admins) who views the malicious model in the chat UI. This vulnerability is fixed in 0.9.0. | |
| Title | Open WebUI: Stored XSS via Model Description | |
| Weaknesses | CWE-79 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: GitHub_M
Published: 2026-05-15T20:02:16.820Z
Updated: 2026-05-15T20:02:16.820Z
Reserved: 2026-05-07T18:04:17.308Z
Link: CVE-2026-44721
No data.
Status : Analyzed
Published: 2026-05-15T21:16:36.370
Modified: 2026-05-19T01:44:26.593
Link: CVE-2026-44721
No data.
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