What is CVE-2026-44006?

CVE-2026-44006 is a critical-severity vulnerability in Patriksimek Vm2, classified under Code Injection. CVSS score: 10.0/10. Published 2026-05-13.

How severe is CVE-2026-44006?

Critical severity. CVSS v3 base score is 10.0 out of 10.

RCE in Patriksimek Vm2

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.

Vulnerability class: RCE (Remote Code Execution)

Published 2026-05-13 · last modified 2026-08-06.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.008 (54.7th percentile), scored 2026-10-19.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 54.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: -0.000

Affected products

Patriksimek Vm2 — versions < 3.11.0
Vm2 Project

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-44006?: CVE-2026-44006 is a critical-severity vulnerability in Patriksimek Vm2, classified under Code Injection. CVSS score: 10.0/10. Published 2026-05-13.
How severe is CVE-2026-44006?: Critical severity. CVSS v3 base score is 10.0 out of 10.