CVE-2026-58043

State: Published
Severity: 7.5 High
Published: Jul 30, 2026
Updated: Jul 31, 2026
Reserved: Jun 27, 2026

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**.

Scores

CVSS	Score	Vector	Source
3.0	7.5 High	CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N	hackerone

Weaknesses

CWE-284 Improper Access Control - Generic

Affected Products

Product	Versions
nodenodejs	22.23.1 through 22.23.1Affected 24.18.0 through 24.18.0Affected 26.5.0 through 26.5.0Affected

References

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

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