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CVE-2026-44002— vm2: Host File Path Disclosure via Stack Trace Information Leak

CVSS 5.8 · Medium EPSS 0.03% · P8

Possible ATT&CK Techniques 1AI

T1135 · Network Share Discovery

Affected Version Matrix 1

VendorProductVersion RangeStatus
patriksimekvm2< 3.11.0affected
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I. Basic Information for CVE-2026-44002

Vulnerability Information
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Vulnerability Title
vm2: Host File Path Disclosure via Stack Trace Information Leak
Source: NVD (National Vulnerability Database)
Vulnerability Description
vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.0, vm2's CallSite wrapper class (intended as a safe wrapper for V8's native CallSite) blocks getThis() and getFunction() to prevent host object leakage, but allows getFileName() to return unsanitized host absolute paths. Any sandboxed code can extract the full directory structure, library paths, and framework versions of the host server. This vulnerability is fixed in 3.11.0.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
通过错误消息导致的信息暴露
Source: NVD (National Vulnerability Database)
Vulnerability Title
vm2 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
vm2是捷克Patrik Simek个人开发者的一个 Node.js 的高级虚拟机/沙盒。以使用列入白名单的 Node 内置模块运行不受信任的代码。 vm2 3.11.0之前版本存在安全漏洞，该漏洞源于CallSite包装类允许getFileName()返回未清理的主机绝对路径，导致沙箱代码可提取主机服务器的完整目录结构、库路径和框架版本。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
patriksimekvm2 < 3.11.0 -

II. Public POCs for CVE-2026-44002

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III. Intelligence Information for CVE-2026-44002

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Same Patch Batch · patriksimek · 2026-05-13 · 14 CVEs total

CVE-2026-4399710.0 CRITICALvm2: Sandbox Escape
CVE-2026-4400510.0 CRITICALvm2: Sandbox escape
CVE-2026-4400610.0 CRITICALvm2: Sandbox Escape
CVE-2026-439999.9 CRITICALvm2: NodeVM builtin allowlist bypass via `module` builtin's `Module._load` allows sandbox
CVE-2026-454119.8 CRITICALvm2: Sandbox Breakout Using Async Generator
CVE-2026-440099.8 CRITICALvm2: Sandbox Breakout Through Null Proto Exception
CVE-2026-440089.8 CRITICALvm2: Snabox breakout via `neutralizeArraySpeciesBatch`
CVE-2026-440079.1 CRITICALvm2: nesting: true bypasses require: false, allowing sandbox escape to arbitrary OS comman
CVE-2026-440018.6 HIGHvm2: Sandbox Escape via Promise Constructor Unhandled Rejection (Process Crash DoS)
CVE-2026-439988.5 HIGHvm2: NodeVM require.root bypass via symlink traversal allows sandbox escape
CVE-2026-440047.5 HIGHvm2: Host Process OOM DoS via Buffer.alloc (Timeout Bypass)
CVE-2026-440006.5 MEDIUMvm2: sandbox boundary bypass via host Promise resolution preserving host object identity
CVE-2026-440035.3 MEDIUMvm2: Transformer Fast-Path Bypass Exposes Internal State Variable

IV. Related Vulnerabilities

Same product: vm2
Same vendor: patriksimek
Same weakness: CWE-209

V. Comments for CVE-2026-44002

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