CVE-2026-68771 ComfyUI 0.23.0 Unauthenticated RCE via LoadTrainingDataset Pickle Deserialization

ComfyUI v0.23.0 contains an unsafe deserialization vulnerability in the LoadTrainingDataset node that allows unauthenticated remote attackers to execute arbitrary Python code by uploading a crafted pickle file and triggering its deserialization. Attackers can upload a malicious shard.pkl file via...