CVE-2026-44721

Published: May 15, 2026Modified: Jun 17, 2026

7.3

Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N

Exploitability: 2.1 / Impact: 5.2

Source: security-advisories@github.com (Secondary)

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.

Affected (1)

Products: Openwebui: Open Webui

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Openwebui Open Webui	Before 0.9.0

Related CWEs

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

References (2)

https://github.com/open-webui/open-webui/security/advisories/GHSA-gf5m-wcrh-7928

Source: security-advisories@github.com

ExploitMitigationVendor Advisory

https://github.com/open-webui/open-webui/security/advisories/GHSA-gf5m-wcrh-7928

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

ExploitMitigationVendor Advisory

Timeline

No history available yet.