CVE-2026-4496

MEDIUM 5.3

sigmade Git-MCP-Server gitUtils.ts child_process.exec os command injection

CVSS Score

5.3

EPSS Score

0.2%

EPSS Percentile

45th

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.

CWE	CWE-78 CWE-77
Vendor	sigmade
Product	git-mcp-server
Published	Mar 20, 2026
Last Updated	Mar 25, 2026

Stay Ahead of the Next One

Get instant alerts for sigmade git-mcp-server

Be the first to know when new medium vulnerabilities affecting sigmade git-mcp-server are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

sigmade / Git-MCP-Server

785aa159f262a02d5791a5d8a8e13c507ac42880

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/?id.352045 vuldb.com: https://vuldb.com/?ctiid.352045 vuldb.com: https://vuldb.com/?submit.773796 github.com: https://github.com/sigmade/Git-MCP-Server/issues/1 github.com: https://github.com/user-attachments/files/24855745/Git-MCP-Server.bug.pdf github.com: https://github.com/sigmade/Git-MCP-Server/pull/2 github.com: https://github.com/sigmade/Git-MCP-Server/

Credits

🔍 Yinci Chen (VulDB User) VulDB