CVE-2025-53109
Published:July 02, 2025
Updated:May 16, 2026
Model Context Protocol Servers is a collection of reference implementations for the model context protocol (MCP). Versions of Filesystem prior to 0.6.4 or 2025.7.01 could allow access to unintended files via symlinks within allowed directories. Users are advised to upgrade to 0.6.4 or 2025.7.01 resolve.
Affected Packages
https://github.com/modelcontextprotocol/servers.git (GITHUB):
Affected version(s) >=0.1.0 <2025.7.1Fix Suggestion:
Update to version 2025.7.1@modelcontextprotocol/server-filesystem (NPM):
Affected version(s) >=0.2.0 <2025.7.1Fix Suggestion:
Update to version 2025.7.1@modelcontextprotocol/server-filesystem (NPM):
Affected version(s) >=2025.1.14 <2025.7.1Fix Suggestion:
Update to version 2025.7.1Related Resources (3)
Do you need more information?
Contact UsCVSS v4
Base Score:
7.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
PRESENT
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
HIGH
Subsequent System Availability
HIGH
CVSS v3
Base Score:
7.4
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Improper Link Resolution Before File Access ('Link Following')
EPSS
Base Score:
0.51