VulnerabilityModified
CVE-2026-26956
In version 3.10.4, vm2 is vulnerable to full sandbox escape with arbitrary code execution.
CRITICAL 9.8EPSS 0.92%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.92%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.92% probability · 58th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-693, CWE-653
- Affected
- vm2 project/vm2
- Source
- security-advisories@github.com
References
- https://github.com/patriksimek/vm2/releases/tag/v3.10.5Release Notes
- https://github.com/patriksimek/vm2/security/advisories/GHSA-ffh4-j6h5-pg66Exploit, 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-pg66Exploit, Vendor Advisory
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-26956.json
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.