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Advisory record · GHSA-9vg3-4rfj-wgcm

vm2 has Sandbox Breakout Through Null Proto Exception

CVSS 9.8 CriticalCriticalEPSS 0.010 · 63rd percentile

Critical, because:

  • CVSS score 9.8: 9.0 or more.

How we decide what’s critical

Published by the GitHub Advisory Database at 8 May 2026, 16:20 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
vm2npm<3.11.23.11.2
Identifiers
GHSA-9vg3-4rfj-wgcm · CVE-2026-44009
Weakness (CWE)
CWE-653 · CWE-668
Tags
Published
8 May 2026
Updated
4 Nov 2026

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
9.8 Critical 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.010, the 63rd percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 8 May 2026, 16:20 UTC Confirmed by GitHub Advisory Database
  2. 13 May 2026, 17:36 UTC Confirmed by the CVE List
  3. 13 May 2026, 18:16 UTC Confirmed by NVD
  4. 4 Nov 2026, 03:45 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.