๐Ÿ›ก๏ธ CVE-2026-26193
๐ŸŸ  CVSS 7.3 โ€” High โš ๏ธ Exploit Public CWE-79 NVD
7.3
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to version 0.6.44, aanually modifying chat history allows setting the `embeds` property on a response message, the content of which is loaded into an iFrame with a sandbox that has `allow-scripts` and `allow-same-origin` set, ignoring the "iframe Sandbox Allow Same Origin" configuration. This enables stored XSS on the affected chat. This also triggers when the chat is in the shared format. The result is a shareable link containing the payload that can be distributed to any other users on the instance. Version 0.6.44 fixes the issue.

Details

Severity HIGH
CVSS Score 7.3
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
CWE CWE-79
Public Exploit โš ๏ธ Yes
Source NVD
Published 2026-02-19
Updated 2026-06-02
Modified 2026-02-20
Fix URL N/A

Affected Packages

Software From version Fixed in
open-webui โ€” 0.6.44

Similar Threats

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