{"id":"CVE-2026-87014","state":"PUBLISHED","title":"Open WebUI: Admin demoted through SSO role sync keeps read and write access to all users' notes","description":"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.","publishedAt":"2026-09-09T21:01:39.505Z","updatedAt":"2026-09-10T17:57:17.765Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["open-webui open-webui"],"affected":[{"vendor":"open-webui","product":"open-webui","versions":[{"version":">= 0.9.0, < 0.11.1","status":"affected"}]}],"references":["https://github.com/open-webui/open-webui/security/advisories/GHSA-wjwr-xfp9-r66p","https://github.com/open-webui/open-webui/commit/ce3c175e260709f359d7e6cbb3132f0572098b95","https://github.com/open-webui/open-webui/releases/tag/v0.11.1"],"weaknesses":["CWE-613","CWE-863"],"ingestedAt":"2026-10-29T20:13:26.108Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/87xxx/CVE-2026-87014.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-87014","state":"PUBLISHED","datePublished":"2026-09-09T21:01:39.505Z","dateUpdated":"2026-09-10T17:57:17.765Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-09-08T16:44:23.783Z"},"containers":{"cna":{"title":"Open WebUI: Admin demoted through SSO role sync keeps read and write access to all users' notes","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."}],"affected":[{"vendor":"open-webui","product":"open-webui","versions":[{"version":">= 0.9.0, < 0.11.1","status":"affected"}]}],"references":[{"url":"https://github.com/open-webui/open-webui/security/advisories/GHSA-wjwr-xfp9-r66p","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/commit/ce3c175e260709f359d7e6cbb3132f0572098b95","name":"https://github.com/open-webui/open-webui/commit/ce3c175e260709f359d7e6cbb3132f0572098b95","tags":["x_refsource_MISC"]},{"url":"https://github.com/open-webui/open-webui/releases/tag/v0.11.1","name":"https://github.com/open-webui/open-webui/releases/tag/v0.11.1","tags":["x_refsource_MISC"]}],"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"}}],"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"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-09-09T21:01:39.505Z"},"source":{"advisory":"GHSA-wjwr-xfp9-r66p","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","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"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-10T17:57:17.765Z"}}]}}}