CVE-2026-45346CWE-80

Open WebUI: Stored Cross-Site Scripting in SVG Renderer

Medium · published May 15, 2026

CVSS v4.0
5.1
EPSS
0%
Percentile
14.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
5.1 · MEDIUM
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
EPSS
0.00239 · 14.1th percentile
Weakness
CWE-80 · Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
Published
2026-05-15T21:15Z
EPSS history
Timeline
  • 15 MAY 21:15Z
    Open WebUI: Stored Cross-Site Scripting in SVG Renderer
    cvelistv5