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TI-2026-06503 Aliases CVE-2026-7400GHSA-wgg9-6667-c9w2

geekgod382 filesystem-mcp-server read_file_tool/write_file_tool server.py is_path_allowed path traversal

Priority HIGH 70CWE-22Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
Low · Low · Low
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0043 37th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed filesystem-mcp-server (geekgod382): 1.1.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
geekgod382filesystem-mcp-server1.0.01.1.0Patch availableCNA
  • filesystem-mcp-server Vendorgeekgod382 Affected 1.0.0 Fixed in 1.1.0 Patch available CNA

Remediation

  • Fix · CNA filesystem-mcp-server (geekgod382) Fixed in 1.1.0

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-7400
  2. 2026-10-03 Alias added: GHSA-wgg9-6667-c9w2

References

Sources