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 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.

• CWE-248
• CWE-248

• https://github.com/patriksimek/vm2/security/advisories/GHSA-hw58-p9xv-2mjhExploit, Vendor Advisory
• https://access.redhat.com/errata/RHSA-2026:50850
• https://access.redhat.com/security/cve/CVE-2026-44001
• https://bugzilla.redhat.com/show_bug.cgi?id=2477208
• https://github.com/patriksimek/vm2/security/advisories/GHSA-hw58-p9xv-2mjhExploit, Vendor Advisory
• https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-44001.json

Published

May 13, 2026

Last Modified

Aug 6, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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