CVE-2026-45299
Medium
Description
Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.8.0, the profile_image_url field on the user profile update form accepted arbitrary data: URI values without MIME-type validation, resulting in a XSS vulnerability. This vulnerability is fixed in 0.8.0.
SeverityMedium
CVSS5.4
Exploit probability—
ProductOpenwebui Open Webui
PublishedMay 15, 2026
First seenMay 15, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Update
- openwebui open_webui0.8.0 or later
- open-webui0.8.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| openwebui open_webui | v < 0.8.0 | 0.8.0 |
| open-webuiPyPI | v < 0.8.0 | 0.8.0 |
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