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Advisory record · GHSA-jxxv-8r27-vm4p

vm2 CLI provides no sandbox isolation - host-realm require() is reachable from sandboxed scripts

CVSS 9.3 CriticalCriticalEPSS 0.0020 · 9th percentile

Critical, because:

  • CVSS score 9.3: 9.0 or more.

How we decide what’s critical

Published by the GitHub Advisory Database at 1 Oct 2026, 15:40 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
vm2npm<3.11.73.11.7
Identifiers
GHSA-jxxv-8r27-vm4p · CVE-2026-92950
Weakness (CWE)
CWE-453 · CWE-829 · CWE-1188
Tags
Published
1 Oct 2026
Updated
1 Oct 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

The vm2 command-line tool (npm package vm2, versions below 3.11.7) runs the supplied script with default settings that load relative and absolute require() targets through the host Node.js require(), so the script's module body executes in the host process before sandbox isolation applies. An attacker who can supply a script file that a user runs with the vm2 CLI can execute arbitrary code as that user, with access to the host filesystem, child processes and network. Upgrade vm2 to version 3.11.7 or later, which is the listed fixed version.

Written 31 Oct 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
9.3 Critical 4.0 CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H CNA (VulnCheck)
  • CISA KEV Not listed.
  • EPSS 0.0020, the 9th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 13:34 UTC First seen by agentprime
  2. 31 Oct 2026, 13:34 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.