Infinite Loop
6 documented incidents where AI agents exhibited infinite loop.
STUPID-2026-00145.8mediumDevinVerified
Devin CI workflow caused 836-comment spam storm on single PR
STUPID-2026-00024.1mediumCursorVerified
Cursor entered infinite edit loop burning $200 in API costs
STUPID-2026-00544.1mediumMultiple AgentsVerified
Two AI agents ping-ponged for 11 days and ran up a $47,000 bill — neither noticed anything wrong
STUPID-2026-00564.1mediumUnknown AgentVerified
An AI agent spun up duplicate CloudFormation stacks on every error and ran up a $6,531 AWS bill
STUPID-2026-00102.9lowAutogptVerified
AutoGPT spent $450 on API calls trying to build a todo app
STUPID-2026-00122.2lowDevinVerified