CVE-2026-7400

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

CVSS 6.9 MEDIUMEPSS 0.4%CWE-22

Vexday Risk Score

33Attention

SSVC decision (CISA)

Attend

PoC available → attend closely

Exploit maturity

Proof of concept

Public proof of concept exists, but not yet automated.

CVSS 6.9EPSS 0.4%KEV nãoPoC públicaNuclei —Metasploit —Patch referenciado

Lifecycle

29 Apr 2026Published on NVD

Recommendation: Plan a near-term fix — a public PoC already exists.

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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

Affected products

geekgod382 · filesystem-mcp-server

public PoCs found — 1

cve_referencegithub.com/geekgod382/filesystem-mcp-server/issues/1unverified

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

References

https://github.com/geekgod382/filesystem-mcp-server/https://github.com/geekgod382/filesystem-mcp-server/commit/45364545fc60dc80aadcd4379f08042d3d3d292e https://github.com/geekgod382/filesystem-mcp-server/issues/1 https://github.com/geekgod382/filesystem-mcp-server/releases/tag/v1.1.0 https://vuldb.com/submit/803495 https://vuldb.com/vuln/360123 https://vuldb.com/vuln/360123/cti