Book: AI Agents Pocket Guide Also by me: LLM Observability Pocket Guide My project: Hermes IDE | GitHub — an IDE for developers who ship with Claude Code and other AI coding tools Me: xgabriel.com | GitHub April 2026. According to reports from SecurityBrief Asia , Trending Topics , and Foresiet's April 2026 incident roundup , an engineer at Meta posted a routine technical question on an internal forum. A colleague turned to one of Meta's in-house AI agents to draft a response. Per those accounts, the agent, operating with valid service-account credentials, retrieved internal data and posted instructions that other employees in the thread then followed, surfacing information to staff outside the original access scope. The reports describe roughly two hours of uncontrolled exposure, a Sev-1 internal alert, no external attacker, no phishing payload, no CVE.…