CVE-2026-118661Published

Happy DOM: Cookie scope forgery: no DNS-label boundary on Domain= matching , attacker origin sets victim cookies

Exact source revision recorded 28 Oct 2026 21:55:13 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

cve-program · CVE-2026-118661

Published

happy-dom

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "capricorn86",
                    "product": "happy-dom",
                    "versions": [
                        {
                            "version": "< 20.14.6",
                            "status": "affected"
                        }
                    ]
                }

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