CVE-2025-53109— Model Context Protocol Servers Vulnerable to Path Validation Bypass via Prefix Matching and Symlink Handling
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I. Basic Information for CVE-2025-53109
Vulnerability Information
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Vulnerability Title
Model Context Protocol Servers Vulnerable to Path Validation Bypass via Prefix Matching and Symlink Handling
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
在文件访问前对链接解析不恰当(链接跟随)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Model Context Protocol Servers 后置链接漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Model Context Protocol Servers是Model Context Protocol开源的一个大模型上下文协议服务器。 Model Context Protocol Servers 0.6.4之前版本和2025.7.01之前版本存在后置链接漏洞，该漏洞源于符号链接可能导致访问意外文件。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| modelcontextprotocol | servers | < 0.6.4 | - |
II. Public POCs for CVE-2025-53109
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
Same product: servers
- CVE-2026-27735
mcp-server-git : Path traversal in git_add allows staging fi - CVE-2025-68145
mcp-server-git has missing path validation when using --repo - CVE-2025-68144
mcp-server-git argument injection in git_diff and git_checko - CVE-2025-68143
mcp-server-git's unrestricted git_init tool allows repositor - CVE-2025-53110
Model Context Protocol Servers Vulnerable to Path Validation
Same vendor: modelcontextprotocol
- CVE-2026-35568
MCP Java-SDK has a DNS Rebinding Vulnerability - CVE-2026-34742
Model Context Protocol Go SDK: DNS Rebinding Protection Disa - CVE-2026-34237
MCP Java SDK has a Hardcoded Wildcard CORS (Access-Control-A - CVE-2026-33946
MCP Ruby SDK: Insufficient Session Binding Allows SSE Stream - CVE-2026-33252
MCP Go SDK Allows Cross-Site Tool Execution for HTTP Servers
Same weakness: CWE-59
- CVE-2021-47949
CyberPanel 2.1 Authenticated Remote Code Execution via Symli - CVE-2026-41882
JetBrains IntelliJ IDEA 后置链接漏洞 - CVE-2026-27105
Dell Alienware Purchased Apps 后置链接漏洞 - CVE-2026-5161
Improper Authentication in TUBITAK BILGEM's Pardus About - CVE-2026-41397
OpenClaw < 2026.3.31 - Sandbox Escape via Unrestricted File
V. Comments for CVE-2025-53109
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