Analysis
MCP as an Emerging Attack Surface: 2026 Enterprise Guide
First reported · Discovered ammune.ai
Page published
Earliest dated coverage: 26 Sep 2026 · First observed: 11 Oct 2026 · Latest dated coverage: 26 Sep 2026
Coverage timeline
Single-source analysis — one report is available.
Why it matters
MCP deployments expand agentic attack surface across many layers where catalog poisoning, over-permissioned clients, and downstream API flaws (BOLA, BFLA, SSRF) apply, so defenders need inventory and gateway-level governance.
Ammune.ai's enterprise guide frames the Model Context Protocol (MCP) as a first-class attack surface spanning clients, servers, tool catalogs, authorization servers, extensions, and downstream SaaS/API targets. Referencing the July 2026 MCP specification changes (stateless HTTP core, header-based routing, authorization hardening, Enterprise Managed Authorization), it recommends inventorying MCP trust relationships, treating servers/extensions as software supply chain, and distinguishing connection authorization from business authorization.