CVE-2026-58043 in Node.js 22.16.0

A flaw in Node.js Permission Model enforcement can over-grant filesystem access across radix-tree prefix boundaries. Under `--permission`, an attacker who is granted access to one path can abuse boundary handling to read from or write to paths outside the intended filesystem allowlist. This vulnerability affects Node.js **main**, **22.x**, **24.x**, and **26.x**.

Severity

High 8.4

Exploitation

0% chance of exploit
in the next 30 days

Fix

No fixed version listed yet

Where

App / API

How it matched

Exact version match

First seen

2026-11-05 01:13:58 UTC

Source

https://nvd.nist.gov/vuln/detail/CVE-2026-58043