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CVE-2026-25874 is an unsafe deserialization vulnerability in Hugging Face LeRobot through version 0.5.1. The async inference PolicyServer and RobotClient use Python pickle deserialization on data received through unauthenticated gRPC channels that do not use TLS. Crafted serialized objects supplied through the SendPolicyInstructions, SendObservations, or GetActions RPCs can execute attacker-controlled code during deserialization, before subsequent object-type validation occurs.
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Hugging Face LeRobot unauthenticated remote-code-execution vulnerability caused by unsafe Pickle deserialization.
An incidental reference to a Hugging Face LeRobot unauthenticated remote code execution vulnerability via pickle deserialization.
A critical unauthenticated remote code execution vulnerability in Hugging Face LeRobot caused by insecure Python pickle deserialization over unauthenticated gRPC channels in the async inference module.
A critical remote code execution vulnerability in Hugging Face's LeRobot platform caused by unsafe deserialization of attacker-controlled pickle data over unauthenticated gRPC channels.
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Every observed campaign linking this CVE to a named adversary.
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Cross-references every affected SKU, including bundled OEM variants.
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