CVE-2026-44003 Details
Description
vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.0, vm2's code transformer has a performance optimization that skips AST analysis when the code does not contain catch, import, or async keywords. This fast-path bypass allows sandboxed code to directly access the internal VM2_INTERNAL_STATE_DO_NOT_USE_OR_PROGRAM_WILL_FAIL variable, which exposes internal security functions (handleException, wrapWith, import). This vulnerability is fixed in 3.11.0.
A vulnerability in vm2, an open-source sandbox for Node.js, prior to version 3.11.0, allows sandboxed code to bypass security controls and access an internal state variable that should be restricted. This is due to a performance optimization in the code transformer that skips abstract syntax tree (AST) analysis unless the code includes certain keywords. Exploiting this vulnerability can expose internal security functions, creating a potential risk for future code changes.
Users are advised to update to vm2 version 3.11.0 or later, where this vulnerability has been fixed.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed May 13, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/patriksimek/vm2/security/advisories/GHSA-wp5r-2gw5-m7q7 | CISA-ADP | ExploitMitigationVendor Advisory |
| https://github.com/patriksimek/vm2/security/advisories/GHSA-wp5r-2gw5-m7q7 | [email protected] | ExploitMitigationVendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-693 | Protection Mechanism Failure | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| vm2 project vm2 | < 3.11.0 |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| May 14, 2026 | Initial Analysis | [email protected] |
| May 13, 2026 | CVE Modified | CISA-ADP |
| May 13, 2026 | New CVE Received | [email protected] |