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**.
Published: 2026-07-30
Score: 7.5 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
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History

Thu, 30 Jul 2026 06:15:00 +0000

Type Values Removed Values Added
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**.
Weaknesses CWE-284
References
Metrics cvssV3_0

{'score': 7.5, 'vector': 'CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: hackerone

Published:

Updated: 2026-07-30T06:02:50.095Z

Reserved: 2026-06-27T15:00:00.780Z

Link: CVE-2026-58043

cve-icon Vulnrichment

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cve-icon NVD

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cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses