CVE-2026-94037 00Kisumi00 mcp-file-analyzer analyze_csv_data MCP tool main.py ControlFlowNode path traversal
Attackers can exploit path traversal in the analyze_csv_data tool to read arbitrary files from the server.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-94037?
CVE-2026-94037 is a medium-severity path traversal vulnerability in 00Kisumi00 mcp-file-analyzer, published on 20 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
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.
Weakness: CWE-22
Which versions are affected by CVE-2026-94037?
How do I fix CVE-2026-94037?
No fix has been published for CVE-2026-94037 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-94037 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-94037 exists.
Sources
Also known as GHSA-882h-38q7-cgpc.