{"id":"CVE-2026-109286","summary":"Open WebUI 0.7.0 before 0.11.4 Session Token Theft via SyncStatsModal","details":"Open WebUI from 0.7.0 before 0.11.4 contains a cross-origin message handling vulnerability in SyncStatsModal that allows any website to steal a signed-in user's session token by posting unvalidated verify:chat messages. Attackers can supply a path-traversal chat id redirecting the authenticated stats export request to the auths endpoint, receiving the victim's JWT for full API access.","aliases":["GHSA-vpq8-f445-hcq7"],"modified":"2026-10-13T02:45:48.551608518Z","published":"2026-10-12T16:04:48.429Z","database_specific":{"cwe_ids":["CWE-346"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/109xxx/CVE-2026-109286.json","cna_assigner":"VulnCheck"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/109xxx/CVE-2026-109286.json"},{"type":"ADVISORY","url":"https://github.com/open-webui/open-webui/security/advisories/GHSA-vpq8-f445-hcq7"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-109286"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/open-webui-0.7.0-before-0.11.4-session-token-theft-via-syncstatsmodal"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/open-webui/open-webui","events":[{"introduced":"6adde203cd292a9e3af9c64a2ae36b603fed096a"},{"fixed":"8bd8b4fac5e059578ac0c74b3c18d11139f88b7d"}],"database_specific":{"extracted_events":[{"introduced":"0.7.0"},{"fixed":"0.11.4"}],"source":"AFFECTED_FIELD"}}],"versions":["v0.11.3","v0.11.2","v0.11.1","v0.11.0","v0.10.2","v0.10.1","v0.10.0","v0.9.5","v0.9.4","v0.9.3","v0.9.2","v0.9.1","v0.9.0","v0.8.12","v0.8.11","v0.8.10","v0.8.9","v0.8.8","v0.8.7","v0.8.6","v0.8.5","v0.8.4","v0.8.3","v0.8.2","v0.8.1","v0.8.0","v0.7.2","v0.7.1","v0.7.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-109286.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N"}]}