CVE WatchJul 15, 2026

CVE-2026-44001

vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.0, a sandbox escape vulnerability in vm2 v3.10.5 allows any sandboxed code to cr

CVSS

8.6

High

EPSS

0.4%

p36

KEV

—

Exploit Today

0-100

Published: May 13, 2026 · Last modified: Jul 15, 2026 · CWE-248

EPSS · 30d

0.4%EPSS · 30 days0.4%

2026-06-302026-07-18

Technical description

vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.0, a sandbox escape vulnerability in vm2 v3.10.5 allows any sandboxed code to crash the host Node.js process via a single Promise constructor that triggers an unhandled rejection propagating to the host. The fix for CVE-2026-22709 (v3.10.2) only sanitized the onRejected callback in .then() and .catch() overrides and did not address the executor-to-unhandledRejection path. This vulnerability is fixed in 3.11.0.

Official references

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