Post #23379 43 Sep 24, 2026, 00:06 UTC Loopjacking: Hijacking Human-in-the-Loop Approvalhttps://arxiv.org/abs/2609.21081v1@secharvester arXiv.org Loopjacking: Hijacking Human-in-the-Loop Approval Human approval is often treated as the last security boundary before an agent executes a consequential operation. That boundary is only meaningful if the operation presented for review is the...