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CVE-2026-106073 A flaw in Node.js Permission Model filesystem enforcement leaves `fs.realpathSync()` without the required read…

Description

A flaw in Node.js Permission Model filesystem enforcement leaves `fs.realpathSync()` without the required read permission checks. This is an incomplete fix of CVE-2026-21715, which only covered `fs.realpathSync.native()`. As a result, code running under `--permission` with restricted `--allow-fs-read` can still use `fs.realpathSync()` to check file existence, resolve symlink targets, and enumerate filesystem paths outside of permitted directories. This vulnerability affects Node.js **26.x**, **24.x**, and **22.x**.

Produits et versions touchés

Produit Versions touchées Corrigé en
Node 26.12.0 Pas de correctif indiqué
Node 24.22.0 Pas de correctif indiqué
Node 22.23.3 Pas de correctif indiqué

Références

Chronologie

  1. Publiée
  2. Dernière modification

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