CVE-2026-93606— vm2 3.12.1之前沙箱逃逸漏洞
一分钟漏洞结论
影响对象
patriksimek vm2
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
vm2 (npm) versions 3.12.0 and earlier contain a sandbox escape in and . When an embedder exposes a host API that returns a host-realm Promise, the bridge's rejection sanitizer (hostPromiseSanitizeReject / makeSanitizedPromiseCallback / normalizeHostPromiseCall
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一、 漏洞 CVE-2026-93606 基础信息
漏洞信息
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Vulnerability Title
vm2 before 3.12.1 Sandbox Escape via Promise Symbol.species
来源: CVE Program / CVE List V5
Vulnerability Description
vm2 (npm) versions 3.12.0 and earlier contain a sandbox escape in `VM` and `NodeVM`. When an embedder exposes a host API that returns a host-realm Promise, the bridge's rejection sanitizer (hostPromiseSanitizeReject / makeSanitizedPromiseCallback / normalizeHostPromiseCallbacks in lib/bridge.js) only wraps `then`/`catch` rejection slots that hold a function, and the sandbox-side `Symbol.species`/`.then` neutralization is installed only on the sandbox intrinsic `Promise.prototype`, so it never applies to a host Promise. Code running inside the sandbox can overwrite `p.constructor[Symbol.species]` on the host Promise and then call `p.then()` with no `onRejected` handler; V8 substitutes its internal Thrower, which re-throws the raw host rejection value into a resolve/reject closure captured by the attacker. This delivers an unsanitized, fully functional bridge proxy of the host object to sandboxed code, bypassing handleException and hostPromiseSanitizeReject. If the rejection value is host-pivotable (for example a host `process` object), this results in arbitrary code execution on the host. Fixed in 3.12.1.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
来源: CVE Program / CVE List V5
Vulnerability Type
保护机制失效
来源: CVE Program / CVE List V5
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| patriksimek | vm2 | 0 ~ 3.12.1 | - |
|
二、漏洞 CVE-2026-93606 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-93606 其他参考 (2)
-
vm2 before 3.12.1 Sandbox Escape via Promise Symbol.species | Advisories | VulnCheck third-party-advisory
同批安全公告 · patriksimek · 2026-09-18 · 共 4 条
| CVE-2026-93603 | 10.0 CRITICAL | vm2 3.12.1前沙箱逃逸远程代码执行漏洞 |
| CVE-2026-93605 | 10.0 CRITICAL | vm2 3.12.1前远程代码执行漏洞 |
| CVE-2026-93604 | 7.2 HIGH | vm2 3.11.8 沙箱逃逸漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2026-93606
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