VYPR
Unrated severityOSV Advisory· Published Jan 20, 2026· Updated Feb 26, 2026

CVE-2025-55130

CVE-2025-55130

Description

A flaw in Node.js’s Permissions model allows attackers to bypass --allow-fs-read and --allow-fs-write restrictions using crafted relative symlink paths. By chaining directories and symlinks, a script granted access only to the current directory can escape the allowed path and read sensitive files. This breaks the expected isolation guarantees and enables arbitrary file read/write, leading to potential system compromise. This vulnerability affects users of the permission model on Node.js v20, v22, v24, and v25.

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Affected products

52

Patches

Vulnerability mechanics

References

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