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CVE-2026-44005

10.0 critical SSVC exploitation: poc Modified
NVD · CVE.org

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.

Fix

Patch, vendor advisory and mitigation references on NVD 2

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 10.0 · vm2_projectNVD modified 2026-10-26 17:10

Affected (CPE criteria) 1

  • cpe:2.3:a:vm2_project:vm2:*:*:*:*:*:node.js:*:*

References 6