{"action":"Upgrade engine.io to 6.6.7 or later.","affected":[{"fixed":"6.6.7","introduced":"6.5.0"}],"component":"engine.io","cve_ids":["CVE-2026-59724"],"ecosystem":"npm","epss":0.00609,"exploited":false,"fixed_versions":["6.6.7"],"ghsa_id":"GHSA-gr94-w7qr-f4j3","id":"tcs_01M5KFSDGS8BKKF2183ZA2V85J","modified_at":"2026-08-31T21:45:08.024701525Z","published_at":"2026-08-31T21:28:12Z","references":["https://osv.dev/vulnerability/GHSA-gr94-w7qr-f4j3","https://github.com/socketio/socket.io/security/advisories/GHSA-gr94-w7qr-f4j3","https://nvd.nist.gov/vuln/detail/CVE-2026-59724","https://github.com/socketio/socket.io/commit/1fa1f46cd420ac5b57bb4c04c959b58f3c79158c","https://github.com/socketio/socket.io","https://github.com/socketio/socket.io/releases/tag/engine.io@6.6.7"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-gr94-w7qr-f4j3","url":"https://osv.dev/vulnerability/GHSA-gr94-w7qr-f4j3"}],"summary":"Socket.IO: Engine.IO WebTransport SID DoS"}