제출 #803095: ezequiroga mcp-bases c630b8ab0f970614d42da8e566e9c0d15a16414c Path Traversal정보

제목ezequiroga mcp-bases c630b8ab0f970614d42da8e566e9c0d15a16414c Path Traversal
설명The search_papers MCP tool reuses the caller-controlled topic string as a directory name under papers/, but it only lowercases the value and replaces spaces with underscores. Traversal markers such as ../ are preserved. As a result, a request like topic="../escape-test" causes the server to create papers/../escape-test, which resolves outside the intended storage directory, and to later read or write papers_info.json in that escaped location. The related resource handler papers://{topic} repeats the same unsafe path construction when reading topic data back.
원천⚠️ https://github.com/ezequiroga/mcp-bases/issues/2
사용자
 LittleW (UID 97283)
제출2026. 04. 12. PM 01:03 (2 개월 ago)
모더레이션2026. 04. 29. AM 10:45 (17 days later)
상태수락
VulDB 항목360106 [ezequiroga mcp-bases research_server.py search_papers topic 디렉토리 순회]
포인트들20

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