{"action":"Upgrade websocket-driver to 0.8.2 or later.","affected":[{"fixed":"0.8.2","introduced":"0"}],"component":"websocket-driver","cve_ids":["CVE-2026-61666"],"ecosystem":"RubyGems","epss":0.00445,"exploited":false,"fixed_versions":["0.8.2"],"ghsa_id":"GHSA-2x63-gw47-w4mm","id":"tcs_01M5KEG1WZSDFMSZERN37N8PRY","modified_at":"2026-09-10T03:50:51.355204945Z","published_at":"2026-07-21T18:34:42Z","references":["https://osv.dev/vulnerability/GHSA-2x63-gw47-w4mm","https://github.com/faye/websocket-driver-ruby/security/advisories/GHSA-2x63-gw47-w4mm","https://github.com/faye/websocket-driver-ruby/commit/7d6fd87759a2fdc83590d3b49ffa661dc53fa128","https://github.com/faye/websocket-driver-ruby"],"severity":{"label":"high"},"sources":[{"source":"osv","source_id":"GHSA-2x63-gw47-w4mm","url":"https://osv.dev/vulnerability/GHSA-2x63-gw47-w4mm"}],"summary":"websocket-driver-ruby: Denial of service via malformed Host header"}