Security Advisory

CVE-2026-44005

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-05-13 17:40:41

Last updated 2026-07-15 00:55:12

Assigner GitHub_M

CVSS score 10.0

State PUBLISHED

Description

vm2 is an open source vm/sandbox for Node.js. From 3.9.6 to 3.10.5, vm2's bridge exposes mutable proxies for real host-realm intrinsic prototypes and then forwards sandbox writes into the underlying host objects with otherReflectSet() and otherReflectDefineProperty(), which lets attacker-controlled JavaScript running in a default VM or inherited NodeVM mutate shared host Object.prototype, Array.prototype, and Function.prototype from inside the sandbox This vulnerability is fixed in 3.11.0.

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