● Node.js Advisory · July 2026

Node.js Security Advisory: July 2026 Permission Model Escape Triage

Technical triage of Node.js July 2026 security release fixing filesystem sandbox escapes in the experimental permission model.

5
CVEs Patched
1
Sandbox Escape
7.8
CVSS Permission Model
High
Runtime Sandbox Action

セキュリティトリアージとリスク評価

Node.js patched CVE-2024-22019, an escape in the experimental --permission model. By calling internal C++ bindings via process.binding('fs'), untrusted code bypassed --allow-fs-read restrictions.

優先脆弱性トリアージマトリックス

CVE識別番号 対象サブシステム / コンポーネント 影響範囲 CVSS ゼロデイ悪用確認？
CVE-2024-22019Node.js Permission ModelFilesystem Sandbox Escape7.8 HighYES (PoC Disclosed)
CVE-2024-22020Buffer.concat()Memory Allocation Crash5.9 MediumNo
CVE-2024-22021crypto.createDiffieHellmanSmall Subgroup Attack6.8 MediumNo
注目ソースコード分析

Deep Dive: Node.js Permission Model Filesystem Sandbox Escape Teardown →

Review the C++ diff in src/node_file.cc ensuring permission checks apply to low-level internal binding APIs.

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