CVE-2026-34226

A flaw was found in Happy DOM, a JavaScript implementation of a web browser without its graphical user interface. This vulnerability allows for information disclosure where cookies from the current page's origin can be inadvertently attached to network requests made to a different destination. Th...

EUVD-2026-16893

Happy DOM's fetch credentials include uses page-origin cookies instead of target-origin cookies...

CVE-2026-34226

Happy DOM is a JavaScript implementation of a web browser without its graphical user interface. Versions prior to 20.8.9 may attach cookies from the current page origin window.location instead of the request target URL when fetch..., credentials: "include" is used. This can leak cookies from orig...

CVE-2026-34226 Happy DOM's fetch credentials include uses page-origin cookies instead of target-origin cookies

Happy DOM is a JavaScript implementation of a web browser without its graphical user interface. Versions prior to 20.8.9 may attach cookies from the current page origin window.location instead of the request target URL when fetch..., credentials: "include" is used. This can leak cookies from orig...

CVE-2026-34226

Happy DOM is a JavaScript implementation of a web browser without its graphical user interface. Versions prior to 20.8.9 may attach cookies from the current page origin window.location instead of the request target URL when fetch..., credentials: "include" is used. This can leak cookies from orig...