AI RESEARCH
Exposing Functional Fusion: A New Class of Strategic Backdoor in Dynamic Prompt Architectures
arXiv CS.CV
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ArXi:2605.19478v1 Announce Type: cross Existing ViT backdoor attacks based on backbone-overwriting full-tuning are computationally expensive and inflict performance degradation. This has forced adversaries towards the Visual Parameter-Efficient Fine-Tuning (PEFT) paradigm, dominated by adapter-based (e.g., LoRA) and prompt-based (e.g., VPT) approaches. While adapter security has seen initial study, the risks of the burgeoning prompt-based ecosystem remain critically unexplored.