Critical Analysis: CVE-2026-0770 - Langflow Inclusion of Functionality from Untrusted Control S... — July 26, 2026

Published 26 Jul 2026 · vulnerability management, CVE analysis, threat intelligence, security operations, cybersecurity news

Initial Discovery and Context Alright, so we're looking at CVE-2026-0770 today, a pretty gnarly vulnerability impacting Langflow, specifically concerning the inclusion of functionality from an untrusted control sphere. This one dropped on July 26, 2026, and it's quickly becoming a focal point in our threat intelligence feeds. Langflow, for those unfamiliar, is an open-source visual LLM application builder, essentially a drag-and-drop interface for constructing sophisticated AI workflows. It's built on a Python backend, leveraging frameworks like FastAPI and React for its frontend. Its appeal lies in abstracting away much of the complexities of integrating various LLM APIs, tools, and custom components, making it a powerful tool for rapid prototyping and deployment of AI-driven applications. The problem, as we’ve now seen, is that its flexibility introduces a significant attack surface if