availability-attack

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   Manipulating Abstention in Tool-Using AI Agents via Fabricated Warnings

   Research · since 13 Nov 2026

   Researchers studied warning-induced over-abstention, an availability attack where fabricated risk warnings are placed in low-trust content to prevent tool-using AI agents from completing legitimate tasks. They proposed a Verify-Before-Abstain protocol to mitigate the vulnerability.

   AI
2. live
   Hush-Up Adversarial Perturbation Attacks against Watchdogs in Distributed LLM Inference

   Research · since 3 Nov 2026

   Researchers introduced Hush-Up, a stealthy availability attack exploiting tolerance bounds in decentralized large language model inference verification. The paper demonstrates how malicious workers can execute availability attacks while avoiding detection mechanisms.

   AI

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