vulnerability · Mon 05 Oct 2026 · 22:34 UTC
GHSA-j3hm-6rg5-mchv: vm2: NodeVM `require.external` without an explicit `require.root` grants unrestricted host filesystem access
Filed UTCSource GTH ↗
NodeVM's require.external option lets sandboxed code require() local files and npm packages. When require.external is enabled and require.root is not explicitly set to a path that excludes node_modules, two defaults combine to fully defeat the sandbox: - require.root defaults to unrestricted — "if omitted every path is allowed." - require.context defaults to "host" — files loaded this way run through the real Node.js require(), not inside any vm2 sandbox. …
Signals
as the pipeline stamped them- High
- Critical vulnerability — CVSS 10
- What to do
- Critical severity — schedule an urgent patch.
CVE
KEV from CISA · EPSS from FIRST| Id | KEV | EPSS | Reference |
|---|---|---|---|
| CVE-2026-92946 | — | 0.86% | NVD ↗ |
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