CVE-2026-26956— vm2: WASM Sandbox Escape (Node 25 only)
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I. Basic Information for CVE-2026-26956
Vulnerability Information
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Vulnerability Title
vm2: WASM Sandbox Escape (Node 25 only)
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
保护机制失效
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 3.10.4版本存在安全漏洞。攻击者利用该漏洞可以在VM.run()中获取主机进程对象并运行主机命令。
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)
Shenlong Deep Dive — AI Deep Analysis
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Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| patriksimek | vm2 | = 3.10.4 | - |
II. Public POCs for CVE-2026-26956
| # | POC Description | Source Link | Shenlong Link |
|---|
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- Release v3.10.5 · patriksimek/vm2 · GitHubx_refsource_MISC
- WASM Sandbox Escape (Node 25 only) · Advisory · patriksimek/vm2 · GitHubx_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2026-26956
Same Patch Batch · patriksimek · 2026-05-04 · 5 CVEs total
| CVE-2026-26332 | 9.8 CRITICAL | vm2: Sandbox Escape |
| CVE-2026-24781 | 9.8 CRITICAL | vm2: Sandbox Breakout Through Inspect |
| CVE-2026-24118 | 9.8 CRITICAL | VM2 Sandbox Breakout Through __lookupGetter__ |
| CVE-2026-24120 | 9.8 CRITICAL | vm2: Sandbox Breakout Through Promise Species |
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V. Comments for CVE-2026-26956
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