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HIGH

nodejs: Permission model bypass by specifying a path traversal sequence in a Buffer

Published Aug 15, 2023

Description

A vulnerability has been discovered in Node.js version 20, specifically within the experimental permission model. This flaw relates to improper handling of Buffers in file system APIs causing a traversal path to bypass when verifying file permissions.

This vulnerability affects all users using the experimental permission model in Node.js 20.

Please note that at the time this CVE was issued, the permission model is an experimental feature of Node.js.

Affected products

Remediation

Red Hat statement

For this CVE no Red Hat Products are affected as this CVE only affects Node.js version 20, specifically within the experimental permission model feature of Node.js 20, that we are not shipped.

Red Hat mitigation

Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

Metrics

References (9)

Change history (0)

No recorded changes yet.

Sources
CVE.org / MITRE
Status PUBLISHED
Assigner hackerone
Published Aug 15, 2023
Updated May 8, 2025
Reserved May 1, 2023
CISA Vulnrichment
Updated Oct 8, 2024
NVD
Status Modified
Modified Jun 17, 2026
Red Hat
Severity Important
Public date Aug 9, 2023