CVE-2026-92958 vm2 - Sandbox Bypass

vm2 <= 3.11.6 contains a builtin-module denylist bypass caused by improper matching of negative entries in NodeVM builtin module restrictions, letting sandboxed code access restricted fs/promises APIs, exploit requires crafted require configuration.

CVSS base score 8.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.38% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Sandbox Bypass
Impact
File System Write, File System Read
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:L
Published
17 September 2026
Updated
15 October 2026
Weakness
CWE-269

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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