One Neuron Is Enough to Bypass LLM Safety Alignment, NeurIPS 2026 Paper Shows

jonasgeiping · x · 2026-09-25

A NeurIPS 2026 accepted paper, "A Single Neuron Is Sufficient to Bypass Safety Alignment in Large Language Models," shows that suppressing a single MLP neuron can bypass safety refusals across 7 models (1.7B–70B), exposing how fragile current alignment is. Paper and code are available.

Original post →

More from Safety

Safety channel →