VIR Vulnerability Intelligence Relay

CVE-2026-43999

critical
Published 2026-05-13 · Modified 2026-05-14
CVSS v3
9.9
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS v2
—
VIR risk
9.9

Description

vm2 has a NodeVM builtin allowlist bypass via `module` builtin's `Module._load` that allows sandbox escape

Predictions

Exploit likelihood
98%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: security-advisories@github.com — https://github.com/patriksimek/vm2/security/advisories/GHSA-947f-4v7f-x2v8

Package impact
EcosystemPackageVulnerableFixed
npm npmvm2>=3.10.5,<3.11.03.11.0
npm NPMvm2= 3.10.53.11.0

Application impact
VendorProductVersionsFixed
vm2_projectvm2{"endExcluding":"3.11.0"}3.11.0

References

CWEs

CWE-863

Verify integrity in audit chain (admin only). AS-IS.