MemGhost Attack Turns Agent Memory Into a Permanent Backdoor – and Nothing Stops It
MemGhost is a memory injection technique documented in arXiv:2607.05189 (Zhang et al., July 6, 2026). The method targets persistent memory in autonomous agents, utilizing a three-stage chain to inject, hide, and execute malicious instructions. Research indicates that the vulnerability is a structural flaw in the agent abstraction rather than a specific model alignment issue. The…