CVE-2025-53109
Model Context Protocol Servers Vulnerable to Path Validation Bypass via Prefix Matching and Symlink Handling
- State
- Published
- Severity
- 7.3 High
- Published
- Jul 2, 2025
- Updated
- Jul 2, 2025
- Reserved
- Jun 25, 2025
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 7.3 High | 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 | GitHub_M |
Weaknesses
- CWE-59 Improper Link Resolution Before File Access ('Link Following')
Affected Products
| Product | Versions |
|---|---|
serversmodelcontextprotocol |
|
References
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