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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.

PUBLISHED Reserved 2026-04-29 | Published 2026-04-29 | Updated 2026-04-29 | Assigner VulDB




MEDIUM: 6.9CVSS: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
HIGH: 7.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
HIGH: 7.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
7.5AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C

Problem types

Path Traversal

Product status

1.0.0
affected

1.1.0
unaffected

Timeline

2026-04-29:Advisory disclosed
2026-04-29:VulDB entry created
2026-04-29:VulDB entry last update

Credits

LargeW (VulDB User) reporter

References

vuldb.com/vuln/360123 (VDB-360123 | geekgod382 filesystem-mcp-server read_file_tool/write_file_tool server.py is_path_allowed path traversal) vdb-entry technical-description

vuldb.com/vuln/360123/cti (VDB-360123 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/submit/803495 (Submit #803495 | geekgod382 filesystem-mcp-server 4e3e83852b1395de0a437bd4fd66376422f4ea0c Path Traversal) third-party-advisory

github.com/geekgod382/filesystem-mcp-server/issues/1 exploit issue-tracking

github.com/...ommit/45364545fc60dc80aadcd4379f08042d3d3d292e patch

github.com/...d382/filesystem-mcp-server/releases/tag/v1.1.0 patch

github.com/geekgod382/filesystem-mcp-server/ product

cve.org (CVE-2026-7400)

nvd.nist.gov (CVE-2026-7400)

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