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.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements Present

User Interaction Passive

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact High

Subsequent System Integrity Impact High

Subsequent System Availability Impact High

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00185.

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

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Advisories
Source ID Title
EUVD EUVD EUVD-2025-19730 @modelcontextprotocol/server-filesystem allows for path validation bypass via prefix matching and symlink handling
Github GHSA Github GHSA GHSA-q66q-fx2p-7w4m @modelcontextprotocol/server-filesystem allows for path validation bypass via prefix matching and symlink handling
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/modelcontextprotocol/servers/commit/d00c60df9d74dba8a3bb13113f8904407cda594f cve-icon cve-icon
https://github.com/modelcontextprotocol/servers/security/advisories/GHSA-q66q-fx2p-7w4m cve-icon cve-icon
History

Wed, 16 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00136}

 epss

{'score': 0.00139}

Sun, 13 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00082}

 epss

{'score': 0.00136}

Wed, 02 Jul 2025 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Wed, 02 Jul 2025 14:45:00 +0000

Type Values Removed Values Added
Description 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.
Title Model Context Protocol Servers Vulnerable to Path Validation Bypass via Prefix Matching and Symlink Handling
Weaknesses CWE-59
References
Metrics cvssV4_0

{'score': 7.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:H/SC:H/SI:H/SA:H'}
cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2025-07-02T14:50:18.562Z

Reserved: 2025-06-25T13:41:23.087Z

Link: CVE-2025-53109

cve-icon Vulnrichment

Updated: 2025-07-02T14:50:12.316Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-07-02T15:15:27.670

Modified: 2025-07-03T15:13:53.147

Link: CVE-2025-53109

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.