CVE-2026-27966

CVE-2026-27966 — Langflow Remote Code Execution Scanner Pre-Auth Route Injection + Vertex Injection → Python Code Execution Overview CVE-2026-27966 is a critical-severity CVSS 9.8 pre-authentication remote code execution vulnerability in Langflow versions prior to 1.8.0. The vulnerability stems...

CVE-2026-27966

Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to version 1.8.0, the CSV Agent node in Langflow hardcodes "allowdangerouscode=True", which automatically exposes LangChain’s Python REPL tool "pythonreplast". As a result, an attacker can execute arbitrary Pytho...

CVE-2026-27966: Improper Control of Generation of Code

Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to version 1.8.0, the CSV Agent node in Langflow hardcodes allowdangerouscode=True, which automatically exposes LangChain’s Python REPL tool pythonreplast. As a result, an attacker can execute arbitrary Python an...