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TI-2026-13249 Aliases CVE-2026-15749GHSA-r83c-hc4j-pvc5

mastergo-design mastergo-magic-mcp mcp__C2d get-c2d.ts execute path traversal

Priority MEDIUM 55CWE-22Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00172 6th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
mastergo-designmastergo-magic-mcp0.1; 0.2.0—No fix listedCNA
  • mastergo-magic-mcp Vendormastergo-design Affected 0.1; 0.2.0 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:mastergo-design:mastergo-magic-mcp:*:*:*:*:*:*:*:*———
  • cpe:2.3:a:mastergo-design:mastergo-magic-mcp:*:*:*:*:*:*:*:* Versions — — ·—

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-15749
  2. 2026-10-03 Alias added: GHSA-r83c-hc4j-pvc5

References

Exploit 1

Other 1

  • TI-2026-13250 mastergo-design mastergo-magic-mcp mcp__getComponentLink get-component-link.ts z.string server-side request forgery CVSS 4.0MEDIUM 5.3
  • TI-2026-13251 mastergo-design mastergo-magic-mcp mcp__getComponentGenerator component-workflow.md execute path traversal CVSS 4.0MEDIUM 4.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences