CVE-2026-7149 dexhunter kaggle-mcp server.py prepare_kaggle_dataset path traversal

Medium 6.9 Published Updated

Remote attackers can exploit path traversal in the Kaggle MCP server to read or modify arbitrary files via the competition_id argument.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-7149?

CVE-2026-7149 is a medium-severity path traversal vulnerability in dexhunter kaggle-mcp, published on 27 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-22

Which versions are affected by CVE-2026-7149?

3 open source packages ship an affected version, including kaggle-mcp.

PackageAffectedFixed in
kaggle-mcp PyPIAll versions to 0.1.0None
kaggle-mcp PyPIAll versions to 0.1.0None
kaggle-mcp PyPIAll versions to 0.1.0None

How do I fix CVE-2026-7149?

No fix has been published for CVE-2026-7149 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-2026-7149 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-7149 exists.

Sources

Also known as GHSA-q882-jc55-6343, PYSEC-2026-2542.

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