CVE-2026-45346

MEDIUM

Open WebUI: Stored Cross-Site Scripting in SVG Renderer

Title source: cna
STIX 2.1

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.

References (1)

Core 1
Core References

Scores

CVSS v3 5.4
EPSS 0.0016
EPSS Percentile 6.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-80
Status published
Products (3)
npm/open-webui 0 - 0.6.31npm
open-webui/open-webui < 0.6.31
openwebui/open_webui < 0.6.31
Published May 15, 2026
Tracked Since May 16, 2026