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CRITICALCVE-2026-43997Published Modified CNA GitHub_M

CVE-2026-43997: vm2: Sandbox Escape

vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.0, it is possible to obtain the host Object. There are various ways to use the host Object, to escape the sandbox, one example would be using HostObject.getOwnPropertySymbols to obtain Symbol(nodejs.util.inspect.custom). This vulnerability is fixed in 3.11.0.

Metrics

CVSS v3.1
10.0
Severity
CRITICAL
Fixed in
Affected Products
1
Affected packages
  • patriksimek / vm2
    < 3.11.0
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H