{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-87014","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-09-08T16:44:23.783Z","datePublished":"2026-09-09T21:01:39.505Z","dateUpdated":"2026-09-10T17:57:17.765Z"},"containers":{"cna":{"title":"Open WebUI: Admin demoted through SSO role sync keeps read and write access to all users' notes","problemTypes":[{"descriptions":[{"cweId":"CWE-613","lang":"en","description":"CWE-613: Insufficient Session Expiration","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-863","lang":"en","description":"CWE-863: Incorrect Authorization","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N","version":"3.1"}}],"references":[{"name":"https://github.com/open-webui/open-webui/security/advisories/GHSA-wjwr-xfp9-r66p","tags":["x_refsource_CONFIRM"],"url":"https://github.com/open-webui/open-webui/security/advisories/GHSA-wjwr-xfp9-r66p"},{"name":"https://github.com/open-webui/open-webui/commit/ce3c175e260709f359d7e6cbb3132f0572098b95","tags":["x_refsource_MISC"],"url":"https://github.com/open-webui/open-webui/commit/ce3c175e260709f359d7e6cbb3132f0572098b95"},{"name":"https://github.com/open-webui/open-webui/releases/tag/v0.11.1","tags":["x_refsource_MISC"],"url":"https://github.com/open-webui/open-webui/releases/tag/v0.11.1"}],"affected":[{"vendor":"open-webui","product":"open-webui","versions":[{"version":">= 0.9.0, < 0.11.1","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-09-09T21:01:39.505Z"},"descriptions":[{"lang":"en","value":"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."}],"source":{"advisory":"GHSA-wjwr-xfp9-r66p","discovery":"UNKNOWN"}},"adp":[{"references":[{"url":"https://github.com/open-webui/open-webui/security/advisories/GHSA-wjwr-xfp9-r66p","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-10T17:56:38.428135Z","id":"CVE-2026-87014","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-09-10T17:57:17.765Z"}}]}}