CVE-2026-58043

Updated on 30 Jul 2026

Severity

8.4 High severity

Details

CVSS score
8.4
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N

Overview

About vulnerability

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.

Details

Affected packages:
alt-nodejs20 @ 20.20.2 (+94 more)

Fixes