CVE-2026-45346

Open WebUI: Stored Cross-Site Scripting in SVG Renderer

State: Published
Severity: 5.1 Medium
Published: May 15, 2026
Updated: May 18, 2026
Reserved: May 11, 2026

Description

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.6.31, there is a Cross-Site Scripting vulnerability in Open WebUI SVG renderer implementation. This vulnerability is fixed in 0.6.31.

Scores

CVSS	Score	Vector	Source
4.0	5.1 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N	GitHub_M

Weaknesses

CWE-80 Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)

Affected Products

Product	Versions
open-webuiopen-webui	< 0.6.31Affected

References

https://github.com/open-webui/open-webui/security/advisories/GHSA-r29h-37fj-x2w6

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