CVE-2026-34222 HIGH

CVE-2026-34222: Open WebUI has Broken Access Control in Tool Valves

Vendor Open-Webui
Product open-webui
Weakness CWE-285
Published April 1, 2026
Last update April 4, 2026
View on NVD All CVEs

CVSS base score

7.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

What the vulnerability does

01Description

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to version 0.8.11, there is a broken access control vulnerability in tool values. This issue has been patched in version 0.8.11.

Key dates

02Disclosure timeline

April 1, 2026 CVE published
April 4, 2026 Record updated