The req package before 3.43.4 for Go may send an unintended request when a malformed URL is provided, because cleanHost in http.go intentionally uses a "garbage in, garbage out" design.
https://github.com/imroc/req/compare/v3.43.3...v3.43.4
https://github.com/imroc/req/commit/04e3ece5b380ecad9da3551c449f1b8a9aa76d3d