{"id":"CVE-2026-34222","aliases":["GHSA-7429-hxcv-268m","PYSEC-2026-2709"],"url":"https://o3.security/vulnerability/CVE-2026-34222","summary":"Open WebUI has Broken Access Control in Tool Valves","details":"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.","published":"2026-04-01T17:02:21.846Z","modified":"2026-08-07T11:46:22.150516050Z","cvss":{"score":7.7,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"open-webui","fixedVersion":"0.8.11"}],"fix":null,"references":[{"type":"WEB","url":"http://seclists.org/fulldisclosure/2026/Apr/4"},{"type":"WEB","url":"https://github.com/open-webui/open-webui/releases/tag/v0.8.11"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/34xxx/CVE-2026-34222.json"},{"type":"ADVISORY","url":"https://github.com/open-webui/open-webui/security/advisories/GHSA-7429-hxcv-268m"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-34222"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T11:46:22.150516050Z"}}