Open Source Security
Hugging Face's Guardian-Plus-Picklescan Stack: How the Model Hub Scanning Posture Evolved Through 2025-2026
Following NullifAI and the broken-pickle bypass campaigns, Hugging Face layered Protect AI's Guardian on top of Picklescan, ClamAV, and secrets scanning across 1.5 million public models. Here is the defender view of the new pipeline.
Feb 18, 20267 min read