CVE-2025-3248: Critical Langflow Unauthenticated Remote Code Execution Vulnerability
A critical vulnerability in Langflow’s code validation mechanism allows unauthenticated attackers to execute arbitrary Python code on exposed systems. Tracked as CVE-2025-3248, the vulnerability resides in a publicly accessible API endpoint and affects all Langflow versions prior to 1.3.0. Active exploitation has been confirmed, with attackers using the vulnerability to deploy malware and onboard compromised systems into botnet infrastructure.