{"id":"CVE-2026-59224","state":"PUBLISHED","title":"Open WebUI: Terminal proxy forwards a spoofable, integrity-unbound user identity to the upstream (X-User-Id header and ws_terminal session_id query injection)","description":"Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. Prior to 0.10.0, backend/open_webui/routers/terminals.py built the ws_terminal upstream URL from an unencoded session_id and appended user_id as a query parameter, allowing query injection to make the terminal backend resolve another user identity; the HTTP proxy path also forwarded X-User-Id as an integrity-unbound identity claim. This issue is fixed in version 0.10.0.","publishedAt":"2026-07-09T17:09:31.980Z","updatedAt":"2026-07-10T03:55:48.312Z","severity":{"score":8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["open-webui open-webui"],"affected":[{"vendor":"open-webui","product":"open-webui","versions":[{"version":"< 0.10.0","status":"affected"}]}],"references":["https://github.com/open-webui/open-webui/security/advisories/GHSA-j657-m4c4-24jq","https://github.com/open-webui/open-webui/pull/26042","https://github.com/open-webui/open-webui/commit/5f3a628a8d291bb5d33e1a0b0c89fb62a2927934","https://github.com/open-webui/open-webui/releases/tag/v0.10.0"],"weaknesses":["CWE-287","CWE-290"],"ingestedAt":"2026-10-29T20:12:32.778Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/59xxx/CVE-2026-59224.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-59224","state":"PUBLISHED","datePublished":"2026-07-09T17:09:31.980Z","dateUpdated":"2026-07-10T03:55:48.312Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-07-02T21:05:02.925Z"},"containers":{"cna":{"title":"Open WebUI: Terminal proxy forwards a spoofable, integrity-unbound user identity to the upstream (X-User-Id header and ws_terminal session_id query injection)","descriptions":[{"lang":"en","value":"Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. Prior to 0.10.0, backend/open_webui/routers/terminals.py built the ws_terminal upstream URL from an unencoded session_id and appended user_id as a query parameter, allowing query injection to make the terminal backend resolve another user identity; the HTTP proxy path also forwarded X-User-Id as an integrity-unbound identity claim. This issue is fixed in version 0.10.0."}],"affected":[{"vendor":"open-webui","product":"open-webui","versions":[{"version":"< 0.10.0","status":"affected"}]}],"references":[{"url":"https://github.com/open-webui/open-webui/security/advisories/GHSA-j657-m4c4-24jq","name":"https://github.com/open-webui/open-webui/security/advisories/GHSA-j657-m4c4-24jq","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/open-webui/open-webui/pull/26042","name":"https://github.com/open-webui/open-webui/pull/26042","tags":["x_refsource_MISC"]},{"url":"https://github.com/open-webui/open-webui/commit/5f3a628a8d291bb5d33e1a0b0c89fb62a2927934","name":"https://github.com/open-webui/open-webui/commit/5f3a628a8d291bb5d33e1a0b0c89fb62a2927934","tags":["x_refsource_MISC"]},{"url":"https://github.com/open-webui/open-webui/releases/tag/v0.10.0","name":"https://github.com/open-webui/open-webui/releases/tag/v0.10.0","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-287","lang":"en","description":"CWE-287: Improper Authentication","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-290","lang":"en","description":"CWE-290: Authentication Bypass by Spoofing","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-07-09T17:09:31.980Z"},"source":{"advisory":"GHSA-j657-m4c4-24jq","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-09T00:00:00+00:00","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3","id":"CVE-2026-59224"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-10T03:55:48.312Z"}}]}}}