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.
Four AI infrastructure platforms (Langflow, Marimo, LMDeploy, Flowise) were exploited within 24 hours of vulnerability disclosure last week. The patching window has collapsed to under one attacker shift.
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.
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