CVE-2026-26956
vm2: WASM Sandbox Escape (Node 25 only)
CVSS Score
9.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-693 |
| Vendor | patriksimek |
| Product | vm2 |
| Published | May 4, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
patriksimek / vm2
= 3.10.4