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Vulnerability · Published Sep 20, 2026 · Assigned by VulDB

CVE-2026-9403700Kisumi00 mcp-file-analyzer analyze_csv_data MCP tool main.py ControlFlowNode path traversal

Medium 4.3

In plain English

A medium-severity path traversal in mcp-file-analyzer from 00Kisumi00. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 41% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.5%top 59.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

VendorProductVersions
00Kisumi00 mcp-file-analyzer 84740852f0cf0cf5db4781b1ca6d7c6a6d210405

Weakness: CWE-22 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R

References