The official source reports this update: Lightning 2.6.6. Changes in 2.6.6 PyTorch Lightning Fixed Fixed arbitrary code execution in load_from_checkpoint by restricting the _instantiator hyperparameter to an allowlist of trusted instantiators ( #21832 ) Fixed arbitrary code execution in load_from_checkpoint by rejecting a checkpoint _class_path that does not resolve to an already imported subclass of the loaded class ( #21914 ) Full commit list : 2.6.5 -> 2.6.6 Contributors We thank all folks who submitted issues, features, fixes and doc changes. It's the only way we can collectively make Lightning ⚡ better for everyone, nice job!
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PyTorch Lightning 2.6.6 restricts _instantiator hyperparameter to prevent code execution.
Lightning 2.6.6 restricts _instantiator hyperparameter to prevent code execution.
10 Sept 20261 verified claims1 sources1 observations
This official update documents a development concerning Lightning 2.6.6. Its practical significance depends on the scope and evidence stated by the source.
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