Paper/Archive/CVE-2026-44009

CVE-2026-44009

patriksimek vm2 — vm2: Sandbox Breakout Through Null Proto Exception

EPSS 0.8%public exploit CVSS 9.8

critical.is priorityof 100

51

CVSS 9.8 (CNA)9.8 / 10 × 3029.4 Not in CISA KEV+300.0 EPSS percentile 57.0.570 × 2011.4 Exploit: SSVC poc+1010.0 SSVC exploitation: poc+100.0

Description · from the CVE record

vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.2, This vulnerability is fixed in 3.11.2.

Affected

ProductAffectedFixed inSource

vm2< 3.11.2–CNA

Red Hat Ansible Automation Platform 2.1see advisory1785854226redhat-SADP

Red Hat Developer Hubsee advisory–redhat-SADP

Scores by source

GitHub_M (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

redhat-SADP (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA ADPSSVCExploitation: poc · Automatable: yes · Technical impact: total

References

exploitgithub.com/patriksimek/vm2/security/advisories/GHSA-9vg3-4rfj-wgcm refaccess.redhat.com/security/cve/CVE-2026-44009 refbugzilla.redhat.com/show_bug.cgi?id=2477185 refsecurity.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-44009.json advisoryaccess.redhat.com/errata/RHSA-2026:50850