Cyber Resilience

CVE-2026-44006

CriticalPublic PoCRCEUpdated

Published: 13 May 2026

Published
13 May 2026
Modified
30 June 2026
KEV Added
Patch
CVSS Score v3.1 10.0 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS Score 0.0059 43.9th percentile
Risk Priority 70 floored blend · peak EPSS

Summary

CVE-2026-44006 is a critical-severity Code Injection (CWE-94) vulnerability in Vm2 Project Vm2. Its CVSS base score is 10.0 (Critical).

Operationally, exploitation aligns with the MITRE ATT&CK technique JavaScript (T1059.007); ranked at the 43.9th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

OWASP Top 10 for Web (2025)

EU & UK References

Vulnerability details

vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.0, It is possible to reach BaseHandler.getPrototypeOf, which can be used to get arbitrary prototypes. This vulnerability is fixed in 3.11.0.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1059.007 JavaScript Execution
Adversaries may abuse various implementations of JavaScript for execution.
T1203 Exploitation for Client Execution Execution
Adversaries may exploit software vulnerabilities in client applications to execute code.
Why these techniques?

Sandbox escape via prototype access enables arbitrary JS execution (T1059.007) through direct exploitation of the vm2 library (T1203).

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

CVEs Like This One

CVE-2026-43997Same product: Vm2 Project Vm2
CVE-2026-44005Same product: Vm2 Project Vm2
CVE-2026-26332Same product: Vm2 Project Vm2
CVE-2026-24118Same product: Vm2 Project Vm2
CVE-2026-24781Same product: Vm2 Project Vm2
CVE-2026-22709Same product: Vm2 Project Vm2
CVE-2026-24120Same product: Vm2 Project Vm2
CVE-2026-44009Same product: Vm2 Project Vm2
CVE-2026-43999Same product: Vm2 Project Vm2
CVE-2026-26956Same product: Vm2 Project Vm2

Affected Assets

vm2 project
vm2
≤ 3.11.0

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-94

Makes persistent code injection into loaded programs impossible when the executable image itself resides on hardware-protected read-only media.

addresses: CWE-94

Dynamically generated code can be produced and executed inside the isolated chamber, preventing host compromise from code-injection payloads.

addresses: CWE-94

Validates inputs used in dynamic code generation to block injected directives.

addresses: CWE-94

Directly prevents execution of attacker-supplied code written into data memory regions.

References