AI1 min read
Artificial Intelligence
AdvNav: a lens smudge just broke the AI that follows you through buildings
AdvNav is a black-box adversarial attack that uses lens-like Perlin noise to confuse vision-language navigation agents. By observing only the agent's behavior, not its internal weights, the method achieved up to 87% attack success rate. The framework reveals a broad vulnerability in current VLN systems.
2026-07-28