What is CVE-2026-92946?

CVE-2026-92946 is a critical-severity vulnerability in Patriksimek Vm2, classified under Improper Control of Dynamically-Managed Code Resources. CVSS score: 10.0/10. Published 2026-09-17.

How severe is CVE-2026-92946?

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

Vulnerability in Patriksimek Vm2

CVE-2026-92946

vm2 before 3.11.7 contains a remote code execution vulnerability when require.external is enabled without an explicit require.root that excludes node_modules. Sandboxed code can require vm2's own package, instantiate an unrestricted NodeVM instance, and execute arbitrary host OS commands via child_process.

Published 2026-09-17 · last modified 2026-09-17.

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 (55.8th percentile), scored 2026-11-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 55.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.008 · change: -0.001

Affected products

Patriksimek Vm2

Weakness classification (CWE)

CWE-913 — Improper Control of Dynamically-Managed Code Resources

References

github.com/patriksimek/vm2/security/advisories/GHSA-j3hm-6rg5-mchv (vendor-advisory)
www.vulncheck.com/advisories/vm2-before-3.11.7-remote-code-execution-via-requir… (third-party-advisory)

Frequently asked questions

What is CVE-2026-92946?: CVE-2026-92946 is a critical-severity vulnerability in Patriksimek Vm2, classified under Improper Control of Dynamically-Managed Code Resources. CVSS score: 10.0/10. Published 2026-09-17.
How severe is CVE-2026-92946?: Critical severity. CVSS v3 base score is 10.0 out of 10.