Capricorn86
CVE-2026-118661: Happy DOM is a JavaScript implementation of a web browser without its graphical user interface. Prior to 20.14.6, Happy DOM's CookieContainer in src/cookie/Cook
CVE-2026-118661 Oct 28, 2026 Source: Vendor
Happy DOM is a JavaScript implementation of a web browser without its graphical user interface. Prior to 20.14.6, Happy DOM's CookieContainer in src/cookie/CookieContainer.ts does not correctly validate or match Domain cookie attributes. It can accept a Domain unrelated to the origin setting the cookie, including a public suffix, and separately treats an unrelated suffix-sharing hostname as a match because cookieMatchesURL does not enforce a DNS-label boundary. In server-side rendering and prere
Source of record
The credited names below are quoted verbatim from the vendor's own advisory:
https://nvd.nist.gov/vuln/detail/CVE-2026-118661
Are you credited here? Sign in to claim your line. It is yours immediately, with no review queue. The name the vendor printed stays next to your handle for anyone to check against the advisory above, and any member who thinks a claim is wrong can refute it.
Credited
0 lines
No credit lines recorded on this release yet.