Yestino - The Signal · Zenityhttps://yestino.com/entities/zenity-0a0f2aEvery event involving ZenityenA single prompt was enough to hijack every AI agent in an AWS account, Zenity researchers foundhttps://yestino.com/events/a-single-prompt-was-enough-to-hijack-every-ai-agent-in-an-aw-ccc7d5https://yestino.com/events/a-single-prompt-was-enough-to-hijack-every-ai-agent-in-an-aw-ccc7d5Thu, 08 Oct 2026 13:01:01 GMTZenity Labs researchers say a single publicly accessible AI agent on Amazon's Bedrock AgentCore was enough to take over every AgentCore agent in the same AWS a… Sources: The Decoder