CVE-2025-71399 Better Auth before 1.4.5 Path Normalization Bypass via rou3

Better Auth relies on better-call, which uses the rou3 router library. In affected versions of rou3, paths are normalized by removing empty segments, so /path, //path, and ///path resolve to the same route. In Better Auth versions prior to 1.4.5 which bundles the fixed rou3, this can allow...