CVE-2026-92958— vm2 before 3.11.7 Denylist Bypass via fs/promises
Quick assessment
Affected
patriksimek vm2
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
vm2 版本 2 至 3.11.6 中的 NodeVM 存在一个内置模块黑名单（denylist）绕过漏洞。当嵌入者使用内置模块的通配符并配合负向条目（例如 ）时，负向条目在 中是按精确模块名进行匹配的。因此， 仅能排除名为 的内置模块，但无法排除其子路径（如 ）。这使得在沙箱中运行的代码可以通过调用 或 来访问基于 Promise 的文件系统 API，即使 已被拒绝。此外， 前缀的处理也不一致：一条 条目并不能阻止 的调用。 已确认通过 可以实现宿主机的文件创建与写入操作；同样， 的其他操作（如 、 、 、 、
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I. Basic Information for CVE-2026-92958
Vulnerability Information
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Vulnerability Title
vm2 before 3.11.7 Denylist Bypass via fs/promises
Source: CVE Program / CVE List V5
Vulnerability Description
vm2 through 3.11.6 contains a builtin-module denylist bypass in NodeVM. When the embedder uses the builtin wildcard together with negative entries (e.g. require: { builtin: ['*', '-fs', '-child_process'] }), negative entries are matched by exact module name in lib/builtin.js, so -fs removes only the builtin named fs and does not remove builtin subpaths such as fs/promises. Sandboxed code can therefore call require('fs/promises') or require('node:fs/promises') and reach the promise-based filesystem API despite fs being denied; node: prefix handling is likewise inconsistent (a -node:fs/promises entry does not block require('fs/promises')). Host file creation and writing were confirmed via fsp.writeFile(), and other fs/promises operations (cp, mkdir, rename, rm, rmdir, truncate, read operations, etc.) are also reachable. This issue is fixed in vm2 3.11.7.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
特权管理不恰当
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| patriksimek | vm2 | 0 ~ 3.11.7 | - |
|
II. Public POCs for CVE-2026-92958
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2026-92958 (2)
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🔗 vm2 before 3.11.7 Denylist Bypass via fs/promises | Advisories | VulnCheck third-party-advisory
Same Patch Batch · patriksimek · 2026-09-17 · 30 CVEs total
| CVE-2026-92946 | 10.0 CRITICAL | vm2 before 3.11.7 Remote Code Execution via require.external |
| CVE-2026-92947 | 10.0 CRITICAL | vm2 before 3.11.7 Memory Disclosure via Buffer Pool |
| CVE-2026-92941 | 10.0 CRITICAL | vm2 3.11.3 before 3.11.7 TLS Trust Store Manipulation |
| CVE-2026-92960 | 10.0 CRITICAL | vm2 before 3.11.6 Process-wide State Exposure via os and dns |
| CVE-2026-92940 | 10.0 CRITICAL | vm2 3.11.3 through 3.11.6 HTTPS Credential Exposure via globalAgent |
| CVE-2026-92955 | 10.0 CRITICAL | vm2 before 3.11.8 Sandbox Escape via NodeVM |
| CVE-2026-92937 | 10.0 CRITICAL | vm2 3.11.6 Remote Code Execution via Promise call/apply |
| CVE-2026-92953 | 10.0 CRITICAL | vm2 3.11.0 through 3.11.7 Prototype Pollution via TypedArray |
| CVE-2026-92956 | 10.0 CRITICAL | vm2 3.10.1 through 3.11.6 Sandbox Escape via WebAssembly.compileStreaming |
| CVE-2026-92957 | 9.9 CRITICAL | vm2 before 3.11.7 Authentication Bypass via node: Prefix |
| CVE-2026-92939 | 9.9 CRITICAL | vm2 3.11.3 through 3.11.6 Native Code Execution via crypto.setEngine |
| CVE-2026-92938 | 9.9 CRITICAL | vm2 3.11.3 through 3.11.6 Remote Code Execution via node:sqlite |
| CVE-2026-92951 | 9.9 CRITICAL | vm2 before 3.11.7 Module Allowlist Bypass via Custom Resolver |
| CVE-2026-92948 | 9.9 CRITICAL | vm2 3.9.6 through 3.11.5 Sandbox Escape via node:test |
| CVE-2026-92944 | 9.8 CRITICAL | vm2 3.10.2 through 3.11.6 Sandbox Escape via Promise Protector |
| CVE-2026-92935 | 9.0 CRITICAL | vm2 NodeVM Remote Code Execution via Array-Shaped Require |
| CVE-2026-92934 | 9.0 CRITICAL | vm2 before 3.11.8 Sandbox Escape RCE via AggregateError |
| CVE-2026-92954 | 8.6 HIGH | vm2 3.10.0 through 3.11.5 Denial of Service via Host Promise |
| CVE-2026-92950 | 8.6 HIGH | vm2 before 3.11.7 Sandbox Escape via CLI require |
| CVE-2026-92942 | 7.5 HIGH | vm2 before 3.11.7 Timeout Bypass via FinalizationRegistry |
Showing top 20 of 30 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: vm2
-
CVE-2026-92963
vm2 before 3.11.2 Information Disclosure via Internal State -
CVE-2026-92962
vm2 before 3.11.4 Defense Invariant Violation via setup-sand -
CVE-2026-92961
vm2 before 3.11.6 Memory Exhaustion DoS via bufferAllocLimit -
CVE-2026-92960
vm2 before 3.11.6 Process-wide State Exposure via os and dns -
CVE-2026-92959
vm2 before 3.11.8 allowAsync Bypass via Promise Thenable
Same vendor: patriksimek
-
CVE-2026-92963
vm2 before 3.11.2 Information Disclosure via Internal State -
CVE-2026-92961
vm2 before 3.11.6 Memory Exhaustion DoS via bufferAllocLimit -
CVE-2026-92962
vm2 before 3.11.4 Defense Invariant Violation via setup-sand -
CVE-2026-92960
vm2 before 3.11.6 Process-wide State Exposure via os and dns -
CVE-2026-92959
vm2 before 3.11.8 allowAsync Bypass via Promise Thenable
Same weakness: CWE-269
V. Comments for CVE-2026-92958
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