vm2 is an open source vm/sandbox for Node.js. In version 3.10.4, vm2 is vulnerable to full sandbox escape with arbitrary code execution. Attacker code inside VM.run() obtains host process object and runs host commands with zero host cooperation. This issue has been patched in version 3.10.5.
Fix
Patch, vendor advisory and mitigation references on NVD 2
- https://github.com/patriksimek/vm2/security/advisories/GHSA-ffh4-j6h5-pg66 Exploit, Vendor Advisory
- https://github.com/patriksimek/vm2/security/advisories/GHSA-ffh4-j6h5-pg66 Exploit, Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 9.8 · vm2_projectNVD modified 2026-10-26 19:10
Affected (CPE criteria) 1
cpe:2.3:a:vm2_project:vm2:*:*:*:*:*:node.js:*:*
References 6
- https://github.com/patriksimek/vm2/releases/tag/v3.10.5 Release Notes
- https://github.com/patriksimek/vm2/security/advisories/GHSA-ffh4-j6h5-pg66 Exploit, Vendor Advisory
- https://access.redhat.com/security/cve/CVE-2026-26956
- https://bugzilla.redhat.com/show_bug.cgi?id=2466548
- https://github.com/patriksimek/vm2/security/advisories/GHSA-ffh4-j6h5-pg66 Exploit, Vendor Advisory
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-26956.json