What is CVE-2026-44003?

CVE-2026-44003 is a medium-severity vulnerability in Patriksimek Vm2, classified under Protection Mechanism Failure. CVSS score: 5.3/10. Published 2026-05-13.

How severe is CVE-2026-44003?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Patriksimek Vm2

CVE-2026-44003

vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.0, vm2's code transformer has a performance optimization that skips AST analysis when the code does not contain catch, import, or async keywords. This fast-path bypass allows sand…

EPSS: 0.000 (15.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/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, Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2026-44003?: CVE-2026-44003 is a medium-severity vulnerability in Patriksimek Vm2, classified under Protection Mechanism Failure. CVSS score: 5.3/10. Published 2026-05-13.
How severe is CVE-2026-44003?: Medium severity. CVSS v3 base score is 5.3 out of 10.