CVE-2026-9186 [MEDIUM] – IBM Langflow OSS 1.0.0 through 1.11.2 allows remote authenticated attackers to bypass loca

IBM Langflow OSS 1.0.0 through 1.11.2 allows remote authenticated attackers to bypass localhost-only MCP configuration installation by spoofing X-Forwarded-For: 127.0.0.1 header, enabling arbitrary writes to IDE config files (~/.cursor/mcp.json, etc.).