CVE-2026-34222

Open WebUI has Broken Access Control in Tool Valves

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.

Affected

open-webui

CVSS v3.1 NVD

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

EPSS

0.46% chance of exploitation in the next 30 days, 38th percentile

Published

2026-04-01

Updated

2026-04-04

Proof-of-concept exploits (1)

• advisories/GHSA-7429-hxcv-268m

Security advisories

• open-webui/open-webui/security/advisories/GHSA-7429-hxcv-268m
• http://seclists.org/fulldisclosure/2026/Apr/4
• open-webui/open-webui/releases/tag/v0.8.11

References

• CVE Record
• NVD entry