LSTM-Kirigaya's openmcp-client is a vscode plugin for mcp developer. Prior to version 0.1.12, when users on a Windows platform connect to an attacker controlled MCP server, attackers could provision a malicious authorization server endpoint to silently achieve an OS command injection attack in the open() invocation, leading to client system compromise. This issue has been patched in version 0.1.12.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements Present

User Interaction Active

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.0046.

Exploitation poc

Automatable yes

Technical Impact total

Affected Vendors & Products

Vendors Products
Lstm-kirigaya
  • Openmcp-client

No data.

No data.

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Vendors Products
Lstm-kirigaya
  • Openmcp-client
Advisories
Source ID Title
EUVD EUVD EUVD-2025-28661 LSTM-Kirigaya's openmcp-client is a vscode plugin for mcp developer. Prior to version 0.1.12, when users on a Windows platform connect to an attacker controlled MCP server, attackers could provision a malicious authorization server endpoint to silently achieve an OS command injection attack in the open() invocation, leading to client system compromise. This issue has been patched in version 0.1.12.
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://drive.google.com/file/d/1lSqFkc412aX6a_fjmNfzXsJKE7b8jPqD/view?usp=sharing cve-icon cve-icon
https://github.com/LSTM-Kirigaya/openmcp-client/commit/9c3799d6ffae8d0cdfab25a53af75e1afc85f6c3 cve-icon cve-icon
https://github.com/LSTM-Kirigaya/openmcp-client/security/advisories/GHSA-43m4-p3rv-c4v8 cve-icon cve-icon
History

Mon, 01 Sep 2025 09:15:00 +0000

Type Values Removed Values Added
First Time appeared Lstm-kirigaya
Lstm-kirigaya openmcp-client
Vendors & Products Lstm-kirigaya
Lstm-kirigaya openmcp-client

Fri, 29 Aug 2025 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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

Thu, 28 Aug 2025 22:30:00 +0000

Type Values Removed Values Added
Description LSTM-Kirigaya's openmcp-client is a vscode plugin for mcp developer. Prior to version 0.1.12, when users on a Windows platform connect to an attacker controlled MCP server, attackers could provision a malicious authorization server endpoint to silently achieve an OS command injection attack in the open() invocation, leading to client system compromise. This issue has been patched in version 0.1.12.
Title LSTM-Kirigaya's openmcp-client Vulnerable to RCE in MCP Authorization Flow
Weaknesses CWE-78
References
Metrics cvssV4_0

{'score': 7.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}
cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2025-08-29T13:24:44.632Z

Reserved: 2025-08-22T14:30:32.222Z

Link: CVE-2025-58062

cve-icon Vulnrichment

Updated: 2025-08-29T13:24:38.987Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-08-28T23:15:44.300

Modified: 2025-08-29T16:24:29.730

Link: CVE-2025-58062

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-09-01T09:05:12Z