{"action":"Upgrade @socket.io/cluster-engine to 0.1.1 or later.","affected":[{"fixed":"0.1.1","introduced":"0"}],"component":"@socket.io/cluster-engine","cve_ids":["CVE-2026-102600"],"ecosystem":"npm","epss":0.00382,"exploited":false,"fixed_versions":["0.1.1"],"ghsa_id":"GHSA-wfpm-5gcm-94cg","id":"tcs_01M5KGEXYBFRNKB26E1CJA0SB0","modified_at":"2026-10-06T00:00:08.444830774Z","published_at":"2026-10-05T23:44:21Z","references":["https://osv.dev/vulnerability/GHSA-wfpm-5gcm-94cg","https://github.com/socketio/socket.io/security/advisories/GHSA-wfpm-5gcm-94cg","https://nvd.nist.gov/vuln/detail/CVE-2026-102600","https://github.com/socketio/socket.io/commit/830e3642ebb8dc3784eb749b0a004fe2b932b429","https://github.com/socketio/socket.io","https://github.com/socketio/socket.io/releases/tag/@socket.io/cluster-engine@0.1.1"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-wfpm-5gcm-94cg","url":"https://osv.dev/vulnerability/GHSA-wfpm-5gcm-94cg"}],"summary":"Socket.IO: Prototype Pollution via Unsafe Client Session Lookup"}