Path Traversal in Mastergo-Design Mastergo-Magic-Mcp
CVE-2026-15749
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.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.002 (6.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 6th percentile — 6.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Mastergo-Design Mastergo-Magic-Mcp — versions 0.1, 0.2.0
Weakness classification (CWE)
References
- github.com/mastergo-design/mastergo-magic-mcp/ (product)
- github.com/mastergo-design/mastergo-magic-mcp/issues/88 (issue-tracking, exploit)
- vuldb.com/cve/CVE-2026-15749 (third-party-advisory)
- vuldb.com/submit/856632 (third-party-advisory)
- vuldb.com/vuln/378328 (technical-description, vdb-entry)
- vuldb.com/vuln/378328/cti (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-15749?
- CVE-2026-15749 is a medium-severity vulnerability in Mastergo-Design Mastergo-Magic-Mcp, classified under Path Traversal. CVSS score: 5.3/10. Published 2026-07-14.
- How severe is CVE-2026-15749?
- Medium severity. CVSS v3 base score is 5.3 out of 10.