std::string SessionStore::GetStorageKey(const SessionSpecifics& specifics) {
  DCHECK(AreValidSpecifics(specifics));
  return EncodeStorageKey(specifics.session_tag(), specifics.tab_node_id());
}

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.