YPYogeshwar Peelainexploitnotes.hashnode.dev·4h ago · 7 min readBrunnerCTF 2026 : Activating Neurons WriteupSummary The challenge ships a single file, activating_neurons.py, defining a small nn.Module called BrunsvigerNet. The model has two linear layers, but forward() only runs the input through the first 00
