Does Wasm guarantee that untrusted code cannot escape?
No. The sandbox depends on the runtime, compiler and host integration. Bugs and overly broad imports can undermine isolation; keep the trusted components updated and restrict capabilities.
Answered in
WebAssembly Components for Agent Tools: Capabilities, Limits and TradeoffsWasm components offer typed interfaces and bounded memory. Secure multi-tenant execution also needs careful host imports and resource limits.
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