{"id":"EUVD-2026-42313","revision":"c31919a1c0de4f33bc95a8d298e328a4","records":[{"revision":"c31919a1c0de4f33bc95a8d298e328a4","observedAt":"2026-10-30T10:51:17.493+00:00","statement":{"source":"euvd","id":"EUVD-2026-42313","aliases":["CVE-2026-59725","GHSA-r635-g3xr-vw7x"],"title":"Socket.IO enables bidirectional and low-latency communication for every platform. From 4.1.0 before 6.6.7, Engine.IO protocol v4 polling transport does not properly close the HTTP response for invalid binary POST requests with Content-Type:…","description":"Socket.IO enables bidirectional and low-latency communication for every platform. From 4.1.0 before 6.6.7, Engine.IO protocol v4 polling transport does not properly close the HTTP response for invalid binary POST requests with Content-Type: application/octet-stream, allowing an unauthenticated attacker to exhaust server-side connections and sockets. This issue is fixed in version 6.6.7.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5,"severity":null}],"references":["https://github.com/socketio/socket.io/security/advisories/GHSA-r635-g3xr-vw7x","https://github.com/socketio/socket.io/commit/fc11285e14964c2132d122164bf130c355f60671","https://github.com/socketio/socket.io/releases/tag/engine.io@6.6.7"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-42313","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Jul 8, 2026, 3:37:52 PM","dateUpdated":"Oct 14, 2026, 6:46:37 PM"},"relatedAdvisories":[{"id":"RHSA-2026:37577","title":"Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update","vulnerabilityIds":["CVE-2026-39243","CVE-2026-39245","CVE-2026-59725","CVE-2026-59869"]},{"id":"RHSA-2026:42986","title":"Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update","vulnerabilityIds":["CVE-2026-59725"]}],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2026-42313","identifiers":["EUVD-2026-42313","CVE-2026-59725","GHSA-r635-g3xr-vw7x"]},"retained":false,"historicalAffected":[]}],"coverage":[]}