{"action":"Upgrade open-webui to 0.3.33 or later.","affected":[{"fixed":"0.3.33","introduced":"0"}],"component":"open-webui","cve_ids":["CVE-2026-56400"],"ecosystem":"PyPI","epss":0.0052,"exploited":false,"fixed_versions":["0.3.33"],"ghsa_id":"GHSA-6xcp-7mpr-m7wm","id":"tcs_01M5KF4GAFDA8AD01CS04415MX","modified_at":"2026-07-16T03:56:44.942850285Z","published_at":"2026-05-11T14:02:04Z","references":["https://osv.dev/vulnerability/GHSA-6xcp-7mpr-m7wm","https://github.com/open-webui/open-webui/security/advisories/GHSA-6xcp-7mpr-m7wm","https://github.com/open-webui/open-webui"],"severity":{"label":"high","score":8.3},"sources":[{"source":"osv","source_id":"GHSA-6xcp-7mpr-m7wm","url":"https://osv.dev/vulnerability/GHSA-6xcp-7mpr-m7wm"}],"summary":"Open WebUI has a CORS misconfiguration and session validation issue"}