What is CVE-2026-44000?

CVE-2026-44000 is a medium-severity vulnerability in Patriksimek Vm2, classified under Protection Mechanism Failure. CVSS score: 6.5/10. Published 2026-05-13.

How severe is CVE-2026-44000?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Patriksimek Vm2

CVE-2026-44000

vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.0, a sandbox boundary violation in vm2 allows host object identity to cross into the sandbox through host Promise resolution. When a host-side Promise that resolves to a host obje…

EPSS: 0.000 (14.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

Affected products

Patriksimek Vm2 — versions < 3.11.0
Vm2_project Vm2

Weakness classification (CWE)

CWE-693 — Protection Mechanism Failure

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)

Frequently asked questions

What is CVE-2026-44000?: CVE-2026-44000 is a medium-severity vulnerability in Patriksimek Vm2, classified under Protection Mechanism Failure. CVSS score: 6.5/10. Published 2026-05-13.
How severe is CVE-2026-44000?: Medium severity. CVSS v3 base score is 6.5 out of 10.