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Node.js depends on multiple built-in utility functions to normalize paths provided to node:fs functions which can be overwitten with user-defined implementations leading to filesystem permission model bypass through path traversal attack. This vulnerability affects all users using the experimental permission model in Node.js 20 and Node.js 21. Please note that at the time this CVE was issued the permission model is an experimental feature of Node.js.

🗓️ 30 Jun 2024 14:00:00Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 1 Views

Overridable path normalization in node:fs enables traversal and permission bypass.

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18 Feb 2026 09:15Current
7High risk
Vulners AI Score7
CVSS 3.18.8
CVSS 37.9
EPSS0.00235
SSVC
1