An issue was discovered in function sync_tree in hetero_decision_tree_guest.py in WeBank FATE (Federated AI Technology Enabler) 0.1 through 1.4.2 allows attackers to read sensitive information during the training process of machine learning joint modeling.
https://github.com/FederatedAI/FATE/commit/6feccf6d752184a6f9365d56a76fe627983e7139