CVE-2026-92948 vm2 - Sandbox Escape

vm2 versions >= 3.9.6 and <= 3.11.6 contain a sandbox escape caused by a NodeVM builtin allowlist bypass on Node.js 24+, letting attackers execute arbitrary code outside the sandbox, exploit requires explicit allowance of node:test builtin.

CVSS base score 9.9 /10
Critical
CISA KEV
Not listed
Public exploit
None known
EPSS
0.65% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Sandbox Escape
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Published
17 September 2026
Updated
15 October 2026
Weakness
CWE-693

Vendor fix

Upgrade to vm2 version 3.11.7 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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