# 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.

- **Severity:** Medium 5.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 20 Sep 2026
- **Updated:** 22 Sep 2026
- **Also known as:** GHSA-882h-38q7-cgpc

## 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 (Improper Limitation of a Pathname to a Restricted Directory)

## 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.

## Is CVE-2026-94037 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-94037 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-94037 and fix it if it is affected.

What it is: 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.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-94037 exists.

Affected product: 00Kisumi00 mcp-file-analyzer. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-94037/ (Markdown: https://insights.sbomify.com/CVE-2026-94037/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-94037
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-94037
- OSV: https://osv.dev/vulnerability/CVE-2026-94037

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-94037/
Summaries are generated and may contain mistakes; the official description above is the record.