CVE-2026-44009
vm2: Sandbox Breakout Through Null Proto Exception
CRITICAL 9.8
At a glance
- Source
- NVD
- EPSS
- EPSS 0.81 % · percentile 57 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- GitHub_M
- NVD status
- Modified
Description
vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.2, This vulnerability is fixed in 3.11.2.
Weaknesses (CWE)
- CWE-668 — Exposure of Resource to Wrong Sphere
- CWE-653 — Improper Isolation or Compartmentalization
References
- https://github.com/patriksimek/vm2/security/advisories/GHSA-9vg3-4rfj-wgcm
- https://access.redhat.com/security/cve/CVE-2026-44009
- https://bugzilla.redhat.com/show_bug.cgi?id=2477185
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-44009.json
- https://access.redhat.com/errata/RHSA-2026:50850
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | CRITICAL 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | GitHub_M |
| CVSS 3.1 | CRITICAL 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | redhat-SADP |
| CVSS 3.1 | CRITICAL 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | NVD · security-advisories@github.com (Secondary) |
| CVSS 3.1 | CRITICAL 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | NVD · 0b0ca135-0b70-47e7-9f44-1890c2a1c46c (Secondary) |
Advisories
- GHSA-9vg3-4rfj-wgcm — vm2 has Sandbox Breakout Through Null Proto Exception
European references
- ENISA EUVD · EUVD-2026-30079
- GCVE · GCVE-0-2026-44009
Affected configurations (NVD CPE)
cpe:2.3:a:vm2_project:vm2:*:*:*:*:*:node.js:*:*< 3.11.2
Affected products
| Product | Versions |
|---|---|
| patriksimek · vm2 | affected < 3.11.2 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |