CVE-2026-4496: Sigmade Git-Mcp-Server

Medium severity, CVSS 5.3. EPSS: 1.4% chance of exploitation in the next 30 days.

A vulnerability was found in sigmade Git-MCP-Server up to 785aa159f262a02d5791a5d8a8e13c507ac42880. Affected by this vulnerability is the function child_process.exec of the file src/gitUtils.ts of the component show_merge_diff/quick_merge_summary/show_file_diff. The manipulation results in os command injection. The attack must be initiated from a local position. The exploit has been made public and could be used. This product operates on a rolling release basis, ensuring continuous delivery. Consequently, there are no version details for either affected or updated releases. It is advisable to implement a patch to correct this issue. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

• Sigmade Git-Mcp-Server

Published 2026-03-20. Last modified 2026-06-17.