Is there a public PoC exploit available for CVE-2026-7400?

Yes, a public proof-of-concept exploit is available for CVE-2026-7400. Prioritise patching immediately. EPSS: 0.1%.

Is there a patch available for CVE-2026-7400?

Yes, a patch is available for CVE-2026-7400. Update the affected software to the latest version immediately.

Filesystem Mcp Server CVE-2026-7400

Q: What is the CVSS score of CVE-2026-7400?

CVE-2026-7400 has a CVSS 4.0 base score of 5.5 (Medium). CVSS vector: 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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.1%.

EUVD-2026-26281 MEDIUM

Path Traversal (CWE-22)

2026-04-29 VulDB

Path Traversal Filesystem Mcp Server

5.5

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

5.5 MEDIUM

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Lifecycle Timeline

PoC Detected

Apr 29, 2026 - 21:16 vuln.today

Public exploit code

Severity Changed

Apr 29, 2026 - 20:22 NVD

HIGH MEDIUM

CVSS changed

Apr 29, 2026 - 20:22 NVD

7.3 (HIGH) 5.5 (MEDIUM)

EUVD ID Assigned

Apr 29, 2026 - 19:30 euvd

EUVD-2026-26281

Patch released

Apr 29, 2026 - 19:30 nvd

Patch available

CVE Published

Apr 29, 2026 - 19:00 nvd

MEDIUM 5.5

DescriptionCVE.org

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.