CVE-2026-33017: Langflow Public Build Rce Via Data Param
Unauthenticated FastAPI route forwards a client-supplied `data` (FlowDataRequest) value into `start_flow_build(..., data=...)`. Custom-component `code` fields inside attacker-controlled flow data are compiled and `exec()`'d without sandboxing during graph build, leading to unauthenticated remote code execution (CVE-2026-33017). Public-flow endpoints must har
Pythongreprules fetch cve-2026-33017-langflow-public-build-rce-via-data-param --engine opengrepDescription
Unauthenticated FastAPI route forwards a client-supplied `data` (FlowDataRequest) value into `start_flow_build(..., data=...)`. Custom-component `code` fields inside attacker-controlled flow data are compiled and `exec()`'d without sandboxing during graph build, leading to unauthenticated remote code execution (CVE-2026-33017). Public-flow endpoints must har
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