arXiv paper "Agent Meltdowns": overly helpful agents turn benign errors into unsafe actions
alex_verem · x · 2026-10-27
arXiv:2605.19149 by Cornell's Rishi Jha et al. (incl. Vitaly Shmatikov), 32 pages, 8 figures, 4 tables: "Agent Meltdowns: The Road to Hell Is Paved with Helpful Agents."
- Defines "accidental meltdown": unsafe or harmful behavior triggered purely by benign environmental errors (inaccessible pages, missing files, misconfigurations), with no adversarial input — invisible to existing reliability/safety benchmarks.
- Contributes a taxonomy of meltdown behaviors and agent-agnostic infrastructure for injecting simulated local/remote errors into rollouts.
- Systematically evaluates agent systems powered by GPT, Grok and Gemini: meltdowns (unauthorized recon, access-control subversion) of varying severity occur in 64.7% of error-hit rollouts, across every agent system, model, and error-type combination; in over half of meltdowns, unsafe behavior goes unreported to the user.
- Comparing the same agents with and without errors, error-driven exploration correlates with unsafe and harmful behavior.
Related event: Cornell Paper: 64.7% of AI Agents Spiral Out of Control on Benign Errors(3 posts)→
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