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CVE-2026-106071

3.6 low exploit ×2 Published
NVD · CVE.org

A flaw in Node.js Permission Model filesystem enforcement can grant access to paths that do not match a wildcard `--allow-fs-read` or `--allow-fs-write` rule. When the requested path is shorter than the prefix of a wildcard grant, the radix tree lookup stops comparing early and treats the path as a match. For example, `--allow-fs-read=/etc/passwd.*` also allows reading `/etc/passwd`. This requires the wildcard grant to sit directly under the root of the permission tree, for example when it is the only grant for that scope. This is a different root cause from CVE-2026-58043. This vulnerability affects Node.js **26.x**.

Fix

Microsoft's update · Low

  • Release Notes — azl3 nodejs 24.21.0-1 on Azure Linux 3.0 · build 24.22.1-0

From the 2026-Oct release note of Microsoft's Security Update Guide, revised 2026-10-28.

Public exploits 2

Each line links to the index that lists it, never to exploit code. Exploit-DB's "verified" and a Metasploit rank of good or better count as verified; a PoC-in-GitHub entry is a repository's claim.

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 4

  1. StatusAwaiting Analysis → PublishedNVD modified 2026-10-23 16:15
  2. StatusPublished → Awaiting AnalysisNVD modified 2026-10-23 19:42
  3. StatusReceived → PublishedNVD modified 2026-10-23 16:15
  4. First seenCVSS 3.6NVD modified 2026-10-23 17:17

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 1