CVE-2026-40576

excel-mcp-server is a Model Context Protocol server for Excel file manipulation. A path traversal vulnerability exists in excel-mcp-server versions up to and including 0.1.7. When running in SSE or Streamable-HTTP transport mode the documented way to use this server remotely, an unauthenticated...

Excel MCP Server path traversal vulnerability

Excel MCP Server is an Excel and CSV file reading/writing/analysis tool developed by ishayoyo as a personal project. Versions of Excel MCP Server 1.0.2 and earlier contained a path traversal vulnerability. This vulnerability stemmed from incorrect handling of the filePath/outputPath parameters in...

CVE-2026-40576

excel-mcp-server is a Model Context Protocol server for Excel file manipulation. A path traversal vulnerability exists in excel-mcp-server versions up to and including 0.1.7. When running in SSE or Streamable-HTTP transport mode the documented way to use this server remotely, an unauthenticated...

CVE-2026-40576 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in excel-mcp-server

excel-mcp-server is a Model Context Protocol server for Excel file manipulation. A path traversal vulnerability exists in excel-mcp-server versions up to and including 0.1.7. When running in SSE or Streamable-HTTP transport mode the documented way to use this server remotely, an unauthenticated...

CVE-2026-40576

CVE-2026-40576 summary (Excel-MCP Server) : A path-traversal flaw in excel-mcp-server (versions } } (Note: The response contains the required JSON object with the concise, fact-grounded insight in Markdown.) Wait: The above seems malformed. Need only a single JSON object with insight string. Let'...

CVE-2026-40576 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in excel-mcp-server

excel-mcp-server is a Model Context Protocol server for Excel file manipulation. A path traversal vulnerability exists in excel-mcp-server versions up to and including 0.1.7. When running in SSE or Streamable-HTTP transport mode the documented way to use this server remotely, an unauthenticated...

CVE-2026-40576

excel-mcp-server is a Model Context Protocol server for Excel file manipulation. A path traversal vulnerability exists in excel-mcp-server versions up to and including 0.1.7. When running in SSE or Streamable-HTTP transport mode the documented way to use this server remotely, an unauthenticated...

excel-mcp-server 路径遍历漏洞

excel-mcp-server is an Excel file operation server developed by Haris, a personal developer. It supports the creation, reading, and modification of workbooks. Versions of excel-mcp-server prior to 0.1.7 have a path traversal vulnerability. This vulnerability stems from the getexcelpath function n...

excel-mcp-server has a Path Traversal issue

Summary A path traversal vulnerability exists in excel-mcp-server versions up to and including 0.1.7. When running in SSE or Streamable-HTTP transport mode the documented way to use this server remotely, an unauthenticated attacker on the network can read, write, and overwrite arbitrary files on...

GHSA-J98M-W3XP-9F56 excel-mcp-server has a Path Traversal issue

Summary A path traversal vulnerability exists in excel-mcp-server versions up to and including 0.1.7. When running in SSE or Streamable-HTTP transport mode the documented way to use this server remotely, an unauthenticated attacker on the network can read, write, and overwrite arbitrary files on...

PT-2026-33225

Name of the Vulnerable Software and Affected Versions excel-mcp-server versions prior to 0.1.8 Description A path traversal issue exists when the server runs in SSE or Streamable-HTTP transport mode. An unauthenticated network attacker can read, write, and overwrite arbitrary files on the host...