Meta's automated ad review approved AI-generated CSAM that hash-based detection cannot catch

Over 50 AI-generated CSAM ads passed Meta's automated review across Facebook, Instagram, Threads, and Messenger (Nov 2025–Aug 2026), per TTP research reported by Wired. Synthetic imagery doesn't match known CSAM hashes, leaving classifiers as the last defense. They failed on material researchers say was undisguised. Meta did not dispute the ads were approved and served.