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NPM: vm2 sandbox escape via WebAssembly.compileStreaming Promise species bypass

🗓️ 05 Oct 2026 22:34:22Reported by PatchstackType 
patchstack
 patchstack
🔗 patchstack.com👁 4 Views

Sandbox escape in Npm vm2 via WebAssembly.compileStreaming Promise species bypass.

Related
Detection
Refs
Vulners
Node
npmvm2Range≤>= 3.10.1, 3.11.6

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05 Oct 2026 22:34Current
5.9Medium risk
Vulners AI Score5.9
CVSS 410
CVSS 3.110
EPSS0.00587
SSVC
4