{"schema":"threatline.record/2","record":{"id":"CVE-2026-109286","aliases":["GHSA-vpq8-f445-hcq7"],"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.","categories":["Unclassified"],"product":"open-webui","vendor":"open-webui","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-109286","source_modified_at":"2026-10-23T21:57:51.179Z","fetched_at":"2026-10-23T22:01:05.715934Z","product":"open-webui","vendor":"open-webui","versions":[{"version":"0.7.0","status":"affected","versionType":"semver","lessThan":"0.11.4"},{"version":"0.11.4","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-109286","source_modified_at":"2026-10-23T21:57:51.179Z","fetched_at":"2026-10-23T22:01:05.715934Z","package":{"name":"open-webui","ecosystem":null},"version":"0.11.4","basis":"first unaffected version stated in the CVE record"}],"cvss":8.6,"severity":"High","kev":{"listed":false},"epss":{"probability":0.00145,"percentile":0.03453,"score_date":"2026-10-23"},"published_at":"2026-10-12T16:04:48.429Z","modified_at":"2026-10-23T21:57:51.179Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-109286","fetched_at":"2026-10-23T22:01:05.715934Z","source_modified_at":"2026-10-23T21:57:51.179Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-109286","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/open-webui/open-webui/security/advisories/GHSA-vpq8-f445-hcq7","tags":["exploit"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/open-webui-0.7.0-before-0.11.4-session-token-theft-via-syncstatsmodal","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"total","assessed_at":"2026-10-18T11:40:25.742028Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-23T21:57:51.179Z","content_hash":"d8512f1cbf985e0b977dc0d894977123eebce8ead70cadcbe7835d8691f80a79"}}