CVE-2026-15751 mastergo-design mastergo-magic-mcp mcp__getComponentGenerator component-workflow.md execute path traversal

Medium 4.8 Published Updated

Local attackers can exploit path traversal in the mastergo-magic-mcp tool to read or modify arbitrary files via the rootPath argument.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-15751?

CVE-2026-15751 is a medium-severity path traversal vulnerability in mastergo-design mastergo-magic-mcp, published on 14 Jul 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A security vulnerability has been detected in mastergo-design mastergo-magic-mcp up to 0.2.0. The affected element is the function execute of the file mastergo/component-workflow.md of the component mcp__getComponentGenerator. The manipulation of the argument rootPath leads to path traversal. An attack has to be approached locally. The exploit has been disclosed publicly and may be used. 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-2026-15751?

How do I fix CVE-2026-15751?

No fix has been published for CVE-2026-15751 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-2026-15751 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-15751 exists.

Sources

Also known as GHSA-2957-9wvx-x9f4.

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