Kysely has a MySQL SQL Injection via Backslash Escape Bypass in non-type-safe usage of JSON path keys.

Summary The sanitizeStringLiteral method in Kysely's query compiler escapes single quotes ' → '' but does not escape backslashes. On MySQL with the default BACKSLASHESCAPES SQL mode, an attacker can inject a backslash before a single quote to neutralize the escaping, breaking out of the JSON path...