What is CVE-2026-44007?

CVE-2026-44007 is a critical-severity vulnerability in Patriksimek Vm2, classified under Improper Access Control. CVSS score: 9.1/10. Published 2026-05-13.

How severe is CVE-2026-44007?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Vulnerability in Patriksimek Vm2

CVE-2026-44007

vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.1, when a NodeVM is created with nesting: true, sandbox code can unconditionally require('vm2') regardless of the outer VM's require configuration — including require: false. With…

EPSS: 0.000 (15.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.

Affected products

Patriksimek Vm2 — versions < 3.11.1
Vm2_project Vm2

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2026-44007?: CVE-2026-44007 is a critical-severity vulnerability in Patriksimek Vm2, classified under Improper Access Control. CVSS score: 9.1/10. Published 2026-05-13.
How severe is CVE-2026-44007?: Critical severity. CVSS v3 base score is 9.1 out of 10.