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Section C · The archive · Dispatch
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vulnerability · Sun 27 Sep 2026 · 02:17 UTC

CVE-2026-100721: vm2 before 3.12.2 contains an authorization bypass in the NodeVM external-module resolver. …

Filed UTCSource GTH ↗

vm2 before 3.12.2 contains an authorization bypass in the NodeVM external-module resolver. When an embedder configures require.external with a custom resolver (and context: 'host'), LegacyResolver.customResolve in lib/resolver-compat.js records the resolved module directory in this.externals as new RegExp('^' + escapeRegExp(resolvedPath)), without requiring a path separator or end-of-string boundary. Untrusted guest code can therefore require the allowlisted module (e.g. …

Signals

as the pipeline stamped them
High
Critical vulnerability — CVSS 10
What to do
  1. Critical severity — schedule an urgent patch.

CVE

KEV from CISA · EPSS from FIRST
CVE ids in this dispatch with their KEV status and EPSS score
IdKEVEPSSReference
CVE-2026-100721—0.40%NVD ↗

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