CVE-2026-45346 MEDIUM

CVE-2026-45346: Open WebUI: Stored Cross-Site Scripting in SVG Renderer

Vendor Open-Webui
Product open-webui
Weakness CWE-80 · XSS · basic
Published May 15, 2026
Last update May 18, 2026
View on NVD All CVEs

CVSS base score

5.1/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction —
Confidentiality —
Integrity —

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

May 15, 2026 CVE published
May 18, 2026 Record updated