Five AI agent frameworks disclosed the same vulnerability class in a single week, and the MCP SDK STDIO injection extended the pattern across four language ecosystems. The cluster reads like the buffer overflow era: a field-level conceptual gap in how agentic systems handle trust, not a string of individual implementation bugs.
AI infrastructure platforms are being weaponized within a single attacker shift of vulnerability disclosure, exposing a structural incompatibility between how organizations govern AI patching and the actual window available to them.
MCP's trust architecture makes any exposed management interface a pre-authenticated command shell by design, not by accident, and two RCE vulnerabilities in the same week reveal a deployment curve that has outrun both audit methodology and detection playbooks.