CVE-2026-34222CWE-285

Open WebUI has Broken Access Control in Tool Valves

High · published April 1, 2026

CVSS v3.1
7.7
EPSS
0%
Percentile
38.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.7 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00456 · 38.6th percentile
Weakness
CWE-285 · Improper Authorization
Published
2026-04-01T17:02Z
EPSS history
Timeline
  • 01 APR 17:02Z
    Open WebUI has Broken Access Control in Tool Valves
    cvelistv5