CVE-2026-85661

excel-mcp-server 0.1.8 fails to enforce path confinement in stdio mode when EXCELFILESPATH is unset, allowing attackers to read and write arbitrary files. Attackers can supply unchecked file paths to read and write tools to access any file accessible to the process...

CVE-2026-85661

excel-mcp-server 0.1.8 (by haris-musa) contains a path confinement bypass in stdio mode : when the EXCEL_FILES_PATH environment variable is unset, unchecked file paths supplied to the read and write tools allow an attacker to read and write arbitrary files accessible to the process. The vulnerabi...

EUVD-2026-71117

excel-mcp-server 0.1.8 fails to enforce path confinement in stdio mode when EXCELFILESPATH is unset, allowing attackers to read and write arbitrary files. Attackers can supply unchecked file paths to read and write tools to access any file accessible to the process...

CVE-2026-85661 excel-mcp-server 0.1.8 Arbitrary File Read/Write via stdio mode

excel-mcp-server 0.1.8 fails to enforce path confinement in stdio mode when EXCELFILESPATH is unset, allowing attackers to read and write arbitrary files. Attackers can supply unchecked file paths to read and write tools to access any file accessible to the process...

CVE-2026-85661

excel-mcp-server 0.1.8 fails to enforce path confinement in stdio mode when EXCELFILESPATH is unset, allowing attackers to read and write arbitrary files. Attackers can supply unchecked file paths to read and write tools to access any file accessible to the process...

CVE-2026-85661 excel-mcp-server 0.1.8 Arbitrary File Read/Write via stdio mode

excel-mcp-server 0.1.8 fails to enforce path confinement in stdio mode when EXCELFILESPATH is unset, allowing attackers to read and write arbitrary files. Attackers can supply unchecked file paths to read and write tools to access any file accessible to the process...

CVE-2026-85661 excel-mcp-server 0.1.8 Arbitrary File Read/Write via stdio mode

excel-mcp-server 0.1.8 fails to enforce path confinement in stdio mode when EXCELFILESPATH is unset, allowing attackers to read and write arbitrary files. Attackers can supply unchecked file paths to read and write tools to access any file accessible to the process...

CVE-2026-85661: Improper Limitation of a Pathname to a Restricted Directory

excel-mcp-server 0.1.8 fails to enforce path confinement in stdio mode when EXCELFILESPATH is unset, allowing attackers to read and write arbitrary files. Attackers can supply unchecked file paths to read and write tools to access any file accessible to the process...

PT-2026-85554

excel-mcp-server 0.1.8 fails to enforce path confinement in stdio mode when EXCEL FILES PATH is unset, allowing attackers to read and write arbitrary files. Attackers can supply unchecked file paths to read and write tools to access any file accessible to the process...

PYSEC-2026-331 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...

excel-mcp-server has a Path Traversal issue

SummaryA 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 t...

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

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...

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 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

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...