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

April 1, 2026 (updated April 6, 2026)

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

References

github.com/advisories/GHSA-7429-hxcv-268m
github.com/open-webui/open-webui
github.com/open-webui/open-webui/releases/tag/v0.8.11
github.com/open-webui/open-webui/security/advisories/GHSA-7429-hxcv-268m
nvd.nist.gov/vuln/detail/CVE-2026-34222

Code Behaviors & Features

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