{"action":"Upgrade tornado to 6.5.5 or later.","affected":[{"fixed":"6.5.5","introduced":"0"}],"component":"tornado","cve_ids":["CVE-2026-35536"],"ecosystem":"PyPI","epss":0.00246,"exploited":false,"fixed_versions":["6.5.5"],"ghsa_id":"GHSA-78cv-mqj4-43f7","id":"tcs_01M5KF5DHQ61AKF5HGV49RF181","modified_at":"2026-09-10T03:50:37.898992264Z","published_at":"2026-03-11T22:17:00Z","references":["https://osv.dev/vulnerability/GHSA-78cv-mqj4-43f7","https://github.com/tornadoweb/tornado/security/advisories/GHSA-78cv-mqj4-43f7","https://github.com/tornadoweb/tornado/commit/24a2d96ea115f663b223887deb0060f13974c104","https://github.com/tornadoweb/tornado","https://github.com/tornadoweb/tornado/releases/tag/v6.5.5"],"severity":{"label":"medium","score":5.4},"sources":[{"source":"osv","source_id":"GHSA-78cv-mqj4-43f7","url":"https://osv.dev/vulnerability/GHSA-78cv-mqj4-43f7"}],"summary":"Tornado has incomplete validation of cookie attributes"}