GHOST: Hallucination-Inducing Image Generation for Multimodal LLMs - Yazdan Parast, Aryan; Hosseini, Parsa; Asadollahzadeh, Hesam; Soltani Moakhar, Arshia; Azam, Basim; Feizi, Soheil; AKHTAR, NAVEED (International Conference on Learning Representations, 2026)