by Kastro
Paper/Archive/CVE-2026-24120

CVE-2026-24120

patriksimek vm2 — vm2: Sandbox Breakout Through Promise Species

EPSS 0.9%public exploitCVSS 9.8
critical.is priorityof 100
51
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 59.6.596 × 2011.9Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

vm2 is an open source vm/sandbox for Node.js. Prior to version 3.10.5, the fix for CVE-2023-37466 is insufficient and can be circumvented allowing attackers to write code which can escape from the VM2 sandbox and execute arbitrary commands on the host system. This issue has been patched in version 3.10.5.

Affected

ProductAffectedFixed inSource
vm2< 3.10.5–CNA
Red Hat Developer Hubsee advisory–redhat-SADP
Self-service automation portal 2see 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)9.1CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CISA ADPSSVCExploitation: poc · Automatable: yes · Technical impact: total

References

exploitgithub.com/patriksimek/vm2/security/advisories/GHSA-qvjj-29qf-hp7prefgithub.com/patriksimek/vm2/releases/tag/v3.10.5refaccess.redhat.com/security/cve/CVE-2026-24120refbugzilla.redhat.com/show_bug.cgi?id=2466529refsecurity.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-24120.json