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Two Critical Wasmtime Flaws Let Malicious WebAssembly Modules Escape the Sandbox

RedSide Security October 26, 2026 Vulnerability 7 views

Two critical Wasmtime vulnerabilities could let a malicious WebAssembly module escape the runtime's sandbox, with one flaw limited to ARM64 systems. Patched versions are available.

patching sandbox escape Wasmtime WebAssembly critical vulnerabilities Bytecode Alliance ARM64

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