Description
Langflow is a tool for building and deploying AI-powered agents and workflows. In versions 1.0.0 through 1.8.1, the `/api/v1/files/images/{flow_id}/{file_name}` endpoint serves image files without any authentication or ownership check. Any unauthenticated request with a known flow_id and file_name returns the image with HTTP 200. In a multi-tenant deployment, any attacker who can discover or guess a `flow_id` (UUIDs can be leaked through other API responses) can download any user's uploaded images without credentials. Version 1.9.0 contains a patch.
Problem types
CWE-284: Improper Access Control
CWE-639: Authorization Bypass Through User-Controlled Key
CWE-862: Missing Authorization
Product status
References
github.com/...ngflow/security/advisories/GHSA-7grx-3xcx-2xv5
github.com/...ngflow/security/advisories/GHSA-7grx-3xcx-2xv5