GHSA-W2QP-RPH6-63G4 fastify vulnerable to schema validation bypass via root primitive coercion mismatch

Impact fastify before 5.12.1, when a route uses a root-level primitive body schema for example an integer with a minimum and maximum and the default type coercion, validates the coerced value but exposes the original, uncoerced value to the route handler. For example, a JSON body "10" is coerced ...