CVE-2026-44006
vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.0, It is possible to reach BaseHandler.getPrototypeOf, which can be used to get arbitrary prototypes. This vulnerability is fixed in 3.11.0.
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A critical sandbox escape has been found in vm2, a popular Node.js library for executing untrusted code. This vulnerability allows an attacker to bypass the sandbox isolation and gain access to the host environment, potentially leading to remote code execution. Users should update to version 3.11.0 immediately.
Severity
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:HCWE-94EPSS
No EPSS score yet (CVE may be too fresh).
Technical description
vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.0, It is possible to reach BaseHandler.getPrototypeOf, which can be used to get arbitrary prototypes. This vulnerability is fixed in 3.11.0.