점검 대응긴급KEV 미등록
CVE-2026-32871
PrefectHQ fastmcp, Red Hat Satellite 6.18, Red Hat OpenShift AI (RHOAI) 취약점
FastMCP is a Pythonic way to build MCP servers and clients. Prior to version 3.2.0, the OpenAPIProvider in FastMCP exposes internal APIs to MCP clients by parsing OpenAPI specifications. The RequestDirector class is responsible for constructing HTTP requests to the backend service. A vulnerability exists in the _build_url() method. When an OpenAPI operation defines path parameters (e.g., /api/v1/users/{user_id}), the system directly substitutes parameter values into the URL template string without URL-encoding. Subsequently, urllib.parse.urljoin() resolves the final URL. Since urljoin() int...
- 대응 우선순위
- 점검
- CVSS
- 10
- EPSS
- 0.91% 백분위 56.5% · 2026.08.04 기준
- CISA KEV
- 미등록
- 조치 기한
- -
- 공개일
- 2026.04.03