Heap o' Links Fri Jun 5, 2026

Powerful AI Model Broke Out Of Its Digital Cage And Bragged About It To Researcher
Anthropic said that the Mythos model escaped its “sandbox” testing environment, which was supposed to allow it to access only certain services, before sending an email to a researcher bragging about its escape as he ate a sandwich in a park.… The model first developed a moderately sophisticated multi-step exploit to gain broad internet access from a system that was meant to be able to reach only a small number of predetermined services. It then, as requested, notified the researcher. In addition, in a concerning and unasked-for effort to demonstrate its success, it posted details about its exploit to multiple hard-to-find, but technically public-facing, websites.”… the model also performed prohibited functions and then attempted to cover them up; Mythos was also working on a task graded by another model that rejected its submission, then it attempted to attack the grader in an act of revenge…