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Vulnerability record · CVE-2025-53107 · published 1 July 2025

CVE-2025-53107: Command injection vulnerability

@cyanheads/git-mcp-server is an MCP server designed to interact with Git repositories. Prior to version 2.1.5, there is a command injection vulnerability caused by the unsanitized use of input parameters within a call to child_process.exec, enabling an attacker to inject arbitrary system commands. Successful exploitation can lead to remote code execution under the server process's privileges. The server constructs and executes shell commands using unvalidated user input directly within command-line strings. This introduces the possibility of shell metacharacter injection (|, >, &&, etc.). An MCP Client can be instructed to execute additional actions for example via indirect prompt injection when asked to read git logs. This issue has been patched in version 2.1.5.

7.5 CVSS 3.1 High EPSS 28% · top 2.0% CWE-77 · Command injection Deferred
7.5CVSS 3.1 base score
28%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

Description

@cyanheads/git-mcp-server is an MCP server designed to interact with Git repositories. Prior to version 2.1.5, there is a command injection vulnerability caused by the unsanitized use of input parameters within a call to child_process.exec, enabling an attacker to inject arbitrary system commands. Successful exploitation can lead to remote code execution under the server process's privileges. The server constructs and executes shell commands using unvalidated user input directly within command-line strings. This introduces the possibility of shell metacharacter injection (|, >, &&, etc.). An MCP Client can be instructed to execute additional actions for example via indirect prompt injection when asked to read git logs. This issue has been patched in version 2.1.5.

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

References

LinkTags
https://github.com/cyanheads/git-mcp-server/commit/0dbd6995ccdf76ab770b58013034365b2d06c4d9
https://github.com/cyanheads/git-mcp-server/releases/tag/v2.1.5
https://github.com/cyanheads/git-mcp-server/security/advisories/GHSA-3q26-f695-pp76

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Source: NIST National Vulnerability Database (record CVE-2025-53107), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.