Incorrect Resource Transfer Between Spheres Affecting vm2 package, versions >=3.11.4 <3.11.7


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
0.46% (38th percentile)

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  • Snyk IDSNYK-JS-VM2-20043629
  • published22 Sept 2026
  • disclosed17 Sept 2026
  • creditrexpository

Introduced: 17 Sep 2026

NewCVE-2026-92952  (opens in a new tab)
CWE-669  (opens in a new tab)

How to fix?

Upgrade vm2 to version 3.11.7 or higher.

Overview

vm2 is a sandbox that can run untrusted code with whitelisted Node's built-in modules.

Affected versions of this package are vulnerable to Incorrect Resource Transfer Between Spheres incomplete filtering of Node.js registered internal symbols across the sandbox boundary. An attacker can corrupt host-visible stream state by obtaining real host symbols via Object.getOwnPropertySymbols on streamWeb.ReadableStream.prototype and using them as write keys on host stream objects, potentially bypassing host logic that relies on stream-state helpers.

CVSS Base Scores

version 4.0
version 3.1