CVE-2026-34046: Authorization Bypass Through User-Controlled Key

Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to version 1.5.1, the readflow helper in src/backend/base/langflow/api/v1/flows.py branched on the AUTOLOGIN setting to decide whether to filter by userid. When AUTOLOGIN was False i.e., authentication was enable...