CVE-2026-7400 Details
Description
A security vulnerability has been detected in geekgod382 filesystem-mcp-server 1.0.0. This issue affects the function is_path_allowed of the file server.py of the component read_file_tool/write_file_tool. Such manipulation leads to path traversal. The attack can be launched remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 1.1.0 is capable of addressing this issue. The name of the patch is 45364545fc60dc80aadcd4379f08042d3d3d292e. Upgrading the affected component is advised.
A path traversal vulnerability has been identified in Geekgod382 Filesystem MCP Server version 1.0.0. The issue arises in the 'is_path_allowed' function within 'server.py', specifically related to the 'read_file_tool' and 'write_file_tool' components. This vulnerability allows for bypassing the 'ALLOWED_PATHS' check, enabling access to files outside the designated root directory. The flaw can be exploited remotely by manipulating file paths to share prefixes with allowed paths, thereby evading restrictions and accessing or modifying unauthorized files.
Users are advised to update to version 1.1.0 of Geekgod382 Filesystem MCP Server, where this vulnerability has been fixed.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Apr 29, 2026CISA-ADP
Assessed Apr 29, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/geekgod382/filesystem-mcp-server/ | [email protected] | ProductVendor |
| https://github.com/geekgod382/filesystem-mcp-server/commit/45364545fc60dc80aadcd4379f08042d3d3d292e | [email protected] | Source CodeVendor |
| https://github.com/geekgod382/filesystem-mcp-server/issues/1 | [email protected] | ExploitIssue TrackingTechnical AnalysisVendor |
| https://github.com/geekgod382/filesystem-mcp-server/releases/tag/v1.1.0 | [email protected] | Release NotesVendor |
| https://vuldb.com/submit/803495 | [email protected] | Permission Required |
| https://vuldb.com/vuln/360123 | [email protected] | AdvisoryPermission RequiredRemedy |
| https://vuldb.com/vuln/360123/cti | [email protected] | AdvisoryPermission Required |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-22 | Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| geekgod382 filesystem-mcp-server | All versions |
CPE
Remediation
| |
Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Apr 29, 2026 | New CVE Received | [email protected] |