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Security Advisories

CVE-2025-55130

NVD

https://nvd.nist.gov/vuln/detail/CVE-2025-55130

Severity

9.1

Critical

CVSS V3

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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.

References

  • https://nvd.nist.gov/vuln/detail/CVE-2025-55130
  • https://github.com/advisories/GHSA-62wc-jj78-f4f6
  • https://nodejs.org/en/blog/vulnerability/december-2025-security-releases

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