CVE-2026-4496CWE-77CWE-78

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

Medium · published March 20, 2026

CVSS v4.0
4.8
EPSS
1%
Percentile
73.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
4.8 · MEDIUM
Vector
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
EPSS
0.01475 · 73.6th percentile
Weaknesses
CWE-77 · Improper Neutralization of Special Elements used in a Command ('Command Injection'); CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2026-03-20T18:32Z
EPSS history
Timeline
  • 20 MAR 18:32Z
    sigmade Git-MCP-Server gitUtils.ts child_process.exec os command injection
    cvelistv5