CVE-2026-58659

Summary: CVE-2026-58659 affects PyTorch Lightning up to version 2.6.5. The vulnerability lies in the _load_state function, which can import and execute attacker-controlled module names from the checkpoint _instantiator hyperparameters, enabling remote code execution when LightningModule.load_from...

CVE-2026-58659 PyTorch Lightning Arbitrary Code Execution via _instantiator Hyperparameter

PyTorch Lightning through 2.6.5, fixed in commit d710d68, contains a remote code execution vulnerability in the loadstate function that imports and executes attacker-controlled module names from checkpoint instantiator hyperparameters. Attackers can craft malicious checkpoint files that bypass...