CVE-2026-26956

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.

CVSS 3.1

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

EPSS

1.1% chance of exploitation in the next 30 days; higher than 65% of CVEs (scores of 2026-10-26)

CWEs

CWE-693, CWE-653

Published

2026-05-04

Modified

2026-10-26

Record from

the NVD, synced 2026-10-26

Affected

• vm2_project:vm2

Packages (OSV)

References

• https://github.com/patriksimek/vm2/releases/tag/v3.10.5
• https://github.com/patriksimek/vm2/security/advisories/GHSA-ffh4-j6h5-pg66
• 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

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