CVE-2026-100721
NVD: vm2 before 3.12.2 contains an authorization bypass in the NodeVM external-module resolver. NVD: 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... NVD: Untrusted guest code can therefore require the allowlisted module (e.g.
9.5 Severity
CRITICAL EPSS
0.0040 (32) KEV
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Source-published summary
NVD: vm2 before 3.12.2 contains an authorization bypass in the NodeVM external-module resolver. NVD: 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... NVD: Untrusted guest code can therefore require the allowlisted module (e.g.
Possible impact
Source describes code execution review. Possible impact: An attacker may be able to run code or commands on affected systems.
Affected context
Affected product or version requires source confirmation.
Remediation / advisory
Remediation reference present; patch status requires confirmation in the linked advisory.
Why it matters
Source describes code execution review. Possible impact: An attacker may be able to run code or commands on affected systems.; CVSS 9.5 (CRITICAL); EPSS percentile 32; not listed in KEV; Remediation reference present; patch status requires confirmation in the linked advisory; sources: NVD, OSV.
What to verify
Confirm affected product/version, vendor advisory, patch or mitigation, and exposure.
Exposure hint
exposure unknown
Impact tags
Urgency reasons
Source-derived note
Summary derived from NVD / OSV description; unsafe procedural detail is not shown.
Redaction metadata
- source summary used
- True
- fallback summary used
- False
- unsafe procedural detail present
- false
- raw source displayed
- false
- public summary redacted
- true
Remediation handoff
Public-safe static handoff for human/Codex remediation planning. Scan, patch, external execution, and auto remediation are disabled.
Safety note
This radar shows source-published defensive context only. Exploit procedures, exploit strings, scanner commands, and auto-remediation are not provided.