CVE-2026-4496
sigmade Git-MCP-Server gitUtils.ts child_process.exec os command injection
- State
- Published
- Severity
- 4.8 Medium
- Published
- Mar 20, 2026
- Updated
- Mar 25, 2026
- Reserved
- Mar 20, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 4.8 Medium | CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 5.3 Medium | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C | VulDB |
| 3.0 | 5.3 Medium | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C | VulDB |
| 2.0 | 4.3 Medium | AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
Git-MCP-Serversigmade |
|
References
- VDB-352045 | sigmade Git-MCP-Server gitUtils.ts child_process.exec os command injectionvdb-entrytechnical-description
- VDB-352045 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- Submit #773796 | sigmade Git-MCP-Server <=1.0.0 Command Injectionthird-party-advisory
- https://github.com/sigmade/Git-MCP-Server/issues/1issue-tracking
- https://github.com/user-attachments/files/24855745/Git-MCP-Server.bug.pdfexploit
- https://github.com/sigmade/Git-MCP-Server/pull/2issue-trackingpatch
- https://github.com/sigmade/Git-MCP-Server/product
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