CVE-2026-34222

Open WebUI has Broken Access Control in Tool Valves

State: Published
Severity: 7.7 High
Published: Apr 1, 2026
Updated: Apr 4, 2026
Reserved: Mar 26, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	7.7 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N	GitHub_M

Weaknesses

CWE-285 Improper Authorization

Affected Products

Product	Versions
open-webuiopen-webui	< 0.8.11Affected

References

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

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