{"action":"Upgrade engine.io to 6.6.7 or later.","affected":[{"fixed":"6.6.7","introduced":"4.1.0"}],"component":"engine.io","cve_ids":["CVE-2026-59725"],"ecosystem":"npm","epss":0.00636,"exploited":false,"fixed_versions":["6.6.7"],"ghsa_id":"GHSA-r635-g3xr-vw7x","id":"tcs_01M5KG8629DHD2TM58ED66JYHT","modified_at":"2026-09-10T03:51:11.922627169Z","published_at":"2026-07-20T21:49:54Z","references":["https://osv.dev/vulnerability/GHSA-r635-g3xr-vw7x","https://github.com/socketio/socket.io/security/advisories/GHSA-r635-g3xr-vw7x","https://nvd.nist.gov/vuln/detail/CVE-2026-59725","https://github.com/socketio/socket.io/commit/fc11285e14964c2132d122164bf130c355f60671","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-r635-g3xr-vw7x","url":"https://osv.dev/vulnerability/GHSA-r635-g3xr-vw7x"}],"summary":"Socket.IO: Engine.IO Polling Transport Connection Exhaustion"}