GHSA-GG4H-3HG2-GRPC joi: object().rename() with a template target can set the validated object's prototype

Impact Applications are affected only if a schema renames keys with a regular-expression source and a Joi.expression / Joi.x target that interpolates the pattern's own match data, combined with multiple: true , for example .rename/^x-.+$/, Joi.x'1', multiple: true . Because the target is rendered...