Node.js Permissions Model Vulnerability in Multiple Versions
CVE-2025-55130

7.1HIGH

Key Information:

Vendor

Nodejs

Status
Node
Vendor
CVE Published:
20 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-55130?

A vulnerability in the Node.js permissions model allows attackers to bypass file system read and write restrictions. By leveraging crafted relative symlink paths, an attacker can manipulate directory structures and escape the intended restrictions. This flaw permits unauthorized access to sensitive files, undermining isolation guarantees and potentially compromising the system's integrity. Affected users of Node.js versions 20, 22, 24, and 25 need to address this issue promptly to safeguard their applications.

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Affected Version(s)

node 20.19.6

node 22.21.1

node 24.12.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-55130
Created by scumfrog

References

https://nodejs.org/en/blog/vulnerability/december-2025-se...

CVSS V3.0

Score:
7.1
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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