CVE-2026-58043

high

Description

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**.

References

https://nodejs.org/en/blog/vulnerability/july-2026-security-releases

Details

Source: Mitre, NVD

Published: 2026-07-30

Updated: 2026-07-30

Risk Information

CVSS v2

Base Score: 5.5

Vector: CVSS2#AV:L/AC:H/Au:S/C:C/I:C/A:N

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N

Severity: High