Allocation of Resources Without Limits or Throttling Affecting vm2 package, versions <3.11.6
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-JS-VM2-18912277
- published18 Aug 2026
- disclosed17 Aug 2026
- creditfg0x0, Krishna Agarwal
Introduced: 17 Aug 2026
NewCVE-2026-47683 (opens in a new tab)How to fix?
Upgrade vm2 to version 3.11.6 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 Allocation of Resources Without Limits or Throttling through the Buffer.concat and Buffer.from functions. An attacker can exhaust host memory resources by supplying crafted arguments that bypass configured allocation limits, leading to excessive memory allocation.