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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.

PUBLISHED Reserved 2026-03-20 | Published 2026-03-20 | Updated 2026-03-25 | Assigner VulDB




MEDIUM: 4.8CVSS: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
MEDIUM: 5.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
MEDIUM: 5.3CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
4.3AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C

Problem types

OS Command Injection

Command Injection

Product status

785aa159f262a02d5791a5d8a8e13c507ac42880
affected

Timeline

2026-03-20:Advisory disclosed
2026-03-20:VulDB entry created
2026-03-20:VulDB entry last update

Credits

Yinci Chen (VulDB User) reporter

VulDB coordinator

References

vuldb.com/?id.352045 (VDB-352045 | sigmade Git-MCP-Server gitUtils.ts child_process.exec os command injection) vdb-entry technical-description

vuldb.com/?ctiid.352045 (VDB-352045 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/?submit.773796 (Submit #773796 | sigmade Git-MCP-Server <=1.0.0 Command Injection) third-party-advisory

github.com/sigmade/Git-MCP-Server/issues/1 issue-tracking

github.com/...achments/files/24855745/Git-MCP-Server.bug.pdf exploit

github.com/sigmade/Git-MCP-Server/pull/2 issue-tracking patch

github.com/sigmade/Git-MCP-Server/ product

cve.org (CVE-2026-4496)

nvd.nist.gov (CVE-2026-4496)

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