CVE-2026-4496

MEDIUM

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

Title source: cna
STIX 2.1

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 v3 5.3
EPSS 0.0037
EPSS Percentile 58.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-77 CWE-78
Status published
Products (1)
sigmade/Git-MCP-Server 785aa159f262a02d5791a5d8a8e13c507ac42880
Published Mar 20, 2026
Tracked Since Mar 21, 2026