IBM Langflow OSS 1.0.0 through 1.10.3 contain an authentication bypass vulnerability in the Model Context Protocol (MCP) composer endpoint when mcp_composer_enabled=true (default) and projects are configured with auth_type=oauth .
{ "cpe": "cpe:2.3:a:langflow:langflow:*:*:*:*:*:*:*:*", "extracted_events": [ { "introduced": "1.0.0" }, { "fixed": "1.11.0" } ], "source": "CPE_RANGE" }
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-8446.json"