Hackney vulnerable to atom-table exhaustion via unrecognized URL schemes

Summary CVE-2026-47067 is an atom table exhaustion vulnerability CWE-770 in hackney's URL parser src/hackneyurl.erl. hackneyurl:parseurl/1 converts every URL scheme it encounters into a BEAM atom via binarytoatom/2. Because BEAM atoms are never garbage-collected and the atom table has a hard limi...