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OpenAdvisories
High · 7.3 CVE-2025-58062 EUVD-2025-28661

LSTM-Kirigaya's openmcp-client Vulnerable to RCE in MCP Authorization Flow

Published Aug 28, 2025 · Updated Aug 29, 2025 · Assigned by GitHub_M

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.

Affected products

VendorProductAffectedFixed
LSTM-Kirigaya openmcp-client < 0.1.12 —

References