Description
git-mcp-server 2.15.1 contains an argument injection vulnerability in the ref and object parameters of git_log, git_diff, and git_show tools that lack leading-dash validation. Attackers can inject git command-line options like --output= to write files outside the repository to arbitrary paths accessible by the process.
Published: 2026-09-04
Score: 8.7 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Thu, 01 Oct 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Mon, 07 Sep 2026 08:45:00 +0000

Type Values Removed Values Added
First Time appeared Cyanheads
Cyanheads git-mcp-server
Vendors & Products Cyanheads
Cyanheads git-mcp-server

Fri, 04 Sep 2026 14:45:00 +0000

Type Values Removed Values Added
Description git-mcp-server 2.15.1 contains an argument injection vulnerability in the ref and object parameters of git_log, git_diff, and git_show tools that lack leading-dash validation. Attackers can inject git command-line options like --output= to write files outside the repository to arbitrary paths accessible by the process.
Title git-mcp-server 2.15.1 Argument Injection via Git Ref Parameters
Weaknesses CWE-88
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N'}

Subscriptions

Cyanheads Git-mcp-server
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-01T18:39:48.836Z

Reserved: 2026-09-04T11:03:33.316Z

Link: CVE-2026-85626

cve-icon Vulnrichment

Updated: 2026-09-08T16:55:46.720Z

cve-icon NVD

Status : Deferred

Published: 2026-09-04T15:17:43.040

Modified: 2026-09-23T17:17:45.803

Link: CVE-2026-85626

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-07T08:26:30Z

Weaknesses
  • CWE-88

    Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')