CVE-2026-21715 in Node.js
要約 (英語)
A flaw in Node.js Permission Model filesystem enforcement leaves `fs.realpathSync.native()` without the required read permission checks, while all comparable filesystem functions correctly enforce them.
As a result, code running under `--permission` with restricted `--allow-fs-read` can still use `fs.realpathSync.native()` to check file existence, resolve symlink targets, and enumerate filesystem paths outside of permitted directories.
This vulnerability affects **20.x, 22.x, 24.x, and 25.x** processes using the Permission Model where `--allow-fs-read` is intentionally restricted.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
公開
2026年03月30日
ステータス
確認済み
エントリ
VulDB provides additional information and datapoints for this CVE:
| 識別子 | 脆弱性 | CWE | 悪用可 | 対策 | CVE |
|---|---|---|---|---|---|
| 354149 | Node.js File Existence fs.realpathSync.native 情報漏えい | 200 | 未定義 | 公式な修正 | CVE-2026-21715 |