CVE-2026-45346

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.

CVSS v3 5.4 MEDIUM

5.4^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.3 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://github.com/open-webui/open-webui/security/advisories/GHSA-r29h-37fj-x2w6	Exploit Vendor Advisory
https://github.com/open-webui/open-webui/security/advisories/GHSA-r29h-37fj-x2w6	Exploit Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:openwebui:open_webui:*:*:*:*:*:*:*:*

History

18 May 2026, 19:31

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 5.4
First Time		Openwebui Openwebui open Webui
References	~~() https://github.com/open-webui/open-webui/security/advisories/GHSA-r29h-37fj-x2w6 -~~	() https://github.com/open-webui/open-webui/security/advisories/GHSA-r29h-37fj-x2w6 - Exploit, Vendor Advisory
CPE		cpe:2.3:a:openwebui:open_webui::::::::

18 May 2026, 13:16

Type	Values Removed	Values Added
References	~~() https://github.com/open-webui/open-webui/security/advisories/GHSA-r29h-37fj-x2w6 -~~	() https://github.com/open-webui/open-webui/security/advisories/GHSA-r29h-37fj-x2w6 -

15 May 2026, 22:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-05-15 22:16

Updated : 2026-05-18 19:31

NVD link : CVE-2026-45346

Mitre link : CVE-2026-45346

CVE.ORG link : CVE-2026-45346

JSON object : View

Products Affected

openwebui

open_webui

CWE

CWE-80

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

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