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CVE-2026-41486 Ray is an AI compute engine

Description

Ray is an AI compute engine. From version 2.54.0 to before version 2.55.0, Ray Data registers custom Arrow extension types (ray.data.arrow_tensor, ray.data.arrow_tensor_v2, ray.data.arrow_variable_shaped_tensor) globally in PyArrow. When PyArrow reads a Parquet file containing one of these extension types, it calls __arrow_ext_deserialize__ on the field's metadata bytes. Ray's implementation passes these bytes directly to cloudpickle.loads(), achieving arbitrary code execution during schema parsing, before any row data is read. This issue has been patched in version 2.55.0.

Produits et versions touchés

Produit Versions touchées Corrigé en
ray 2.54 2.54.0 → < 2.55.0 2.55.0

Références

Chronologie

  1. Publiée
  2. Dernière modification

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