CVE-2026-15749 mastergo-design mastergo-magic-mcp mcp__C2d get-c2d.ts execute path traversal
A path traversal vulnerability in mastergo-magic-mcp allows local attackers to read or modify arbitrary files via the filePath 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-2026-15749?
CVE-2026-15749 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 flaw has been discovered in mastergo-design mastergo-magic-mcp up to 0.2.0. This issue affects the function execute of the file src/tools/get-c2d.ts of the component mcp__C2d. Performing a manipulation of the argument filePath results in path traversal. The attack requires a local approach. The exploit has been released to the public and may be used for attacks. 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-2026-15749?
How do I fix CVE-2026-15749?
No fix has been published for CVE-2026-15749 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-2026-15749 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-15749 exists.
Sources
Also known as GHSA-r83c-hc4j-pvc5.