paperPVLDB·25 Oct 20265.2
The Black-Hole Attack poisons vector databases by inserting a few vectors near the centroid of the stored embeddings. Hubness in high dimensions then pulls them into the top-k for up to 94.4% of queries.
newsInfoQ·26 Oct 20264.6
PHP shipped 8.5.12, 8.4.27, 8.3.36 and 8.2.35 to fix two critical unauthenticated remote code execution bugs; Amazon saw exploitation attempts four days before the patches.
paperarXiv (systems, data, ML)·22 Oct 20263.2
Audits the hand-written deny sets and registries behind learned access control.