GHSA-C8JX-96C9-8XRP SurrealDB: Field-level SELECT permissions bypassed via indexed COUNT fast paths

A record user could learn the value of a hidden field by counting how many records match a guess. When DEFINE FIELD ... PERMISSIONS FOR select WHERE ... hides a field's contents from a caller, and that field is indexed, running SELECT count FROM t WHERE hiddenfield = "guess" GROUP ALL returned a...