CVE-2026-59725Published

Socket.IO: Engine.IO Polling Transport Connection Exhaustion

Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

cve-program · CVE-2026-59725

Published

engine.io

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "socketio",
                    "product": "engine.io",
                    "versions": [
                        {
                            "version": ">= 4.1.0, < 6.6.7",
                            "status": "affected"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON