PYSEC-2026-2630 mcp-server-git : Path traversal in git_add allows staging files outside repository boundaries

In mcp-server-git versions prior to 2026.1.14, the gitadd tool did not validate that file paths provided in the files argument were within the repository boundaries. The tool used GitPython's repo.index.add, which did not enforce working-tree boundary checks for relative paths. As a result,...