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2.1

mcp-file-analyzer allows attackers to read any file

CVE-2026-94037 · published 29 days ago
Summary

The mcp-file-analyzer tool can be tricked into accessing files outside its intended folder when a specially crafted file name is supplied. This could let an attacker view or steal sensitive data on your system. Update the tool to a version that fixes the file name handling or apply a patch that validates file paths before use.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
00kisumi00 mcp-file-analyzer 84740852f0cf0cf5db4781b1ca6d7c6a6d210405
Original advisory text
00Kisumi00 mcp-file-analyzer analyze_csv_data MCP tool main.py ControlFlowNode path traversal
A weakness has been identified in 00Kisumi00 mcp-file-analyzer up to 84740852f0cf0cf5db4781b1ca6d7c6a6d210405. This affects the function ControlFlowNode of the file main.py of the component analyze_csv_data MCP tool. This manipulation of the argument filename causes path traversal. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks. This product follows a rolling release approach for continuous delivery, so version details for affected or updated releases are not provided. The project was informed of the problem early through an issue report but has not responded yet.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker partial control
Severity
2.1 Low
Exploitation
<1% chance of attack within 30 days
Type
CWE-22Path Traversal
Timeline
Published20 Sep 2026
Updated19 Oct 2026
First seen20 Sep 2026
Sources
CVE-2026-94037 · NVD
CVE-2026-94037 · MITRE
CVE-2026-94037 · OSV
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