{"id":"CVE-2026-87014","aliases":["GHSA-wjwr-xfp9-r66p"],"url":"https://o3.security/vulnerability/CVE-2026-87014","summary":"Open WebUI: Admin demoted through SSO role sync keeps read and write access to all users' notes","details":"Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.0 until 0.11.1, role synchronization in backend/open_webui/routers/auths.py and backend/open_webui/utils/oauth.py updated an administrator's database role without invalidating the user record cached by backend/open_webui/socket/main.py. An administrator demoted through a trusted role header or OAuth role mapping could keep an already-open Socket.IO connection and continue reading or editing every user's collaborative notes until that connection closed. This issue is fixed in version 0.11.1.","published":"2026-09-09T21:01:39.505Z","modified":"2026-09-12T03:31:01.384777121Z","cvss":{"score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"PyPI","name":"open-webui","fixedVersion":"0.11.1"}],"fix":{"url":"https://github.com/open-webui/open-webui/commit/ce3c175e260709f359d7e6cbb3132f0572098b95","label":"open-webui/open-webui@ce3c175"},"references":[{"type":"WEB","url":"https://github.com/open-webui/open-webui/releases/tag/v0.11.1"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/87xxx/CVE-2026-87014.json"},{"type":"ADVISORY","url":"https://github.com/open-webui/open-webui/security/advisories/GHSA-wjwr-xfp9-r66p"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-87014"},{"type":"FIX","url":"https://github.com/open-webui/open-webui/commit/ce3c175e260709f359d7e6cbb3132f0572098b95"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-12T03:31:01.384777121Z"}}