EUVD-2026-92790

Langflow : Cross-user flow access and vertex execution via deprecated /api/v1/build/flowid/vertices endpoints...

CVE-2026-105698

Langflow is a tool for building and deploying AI-powered agents and workflows. From 1.0.0 until 1.10.1, Langflow did not verify flow ownership in the deprecated POST /api/v1/build/flowid/vertices and POST /api/v1/build/flowid/vertices/vertexid handlers. Through version 1.7.1, an unauthenticated...

CVE-2026-105698 Langflow: Cross-user flow access and vertex execution via deprecated /api/v1/build/{flow_id}/vertices endpoints

Langflow is a tool for building and deploying AI-powered agents and workflows. From 1.0.0 until 1.10.1, Langflow did not verify flow ownership in the deprecated POST /api/v1/build/flowid/vertices and POST /api/v1/build/flowid/vertices/vertexid handlers. Through version 1.7.1, an unauthenticated...

CVE-2026-105698 Langflow: Cross-user flow access and vertex execution via deprecated /api/v1/build/{flow_id}/vertices endpoints

Langflow is a tool for building and deploying AI-powered agents and workflows. From 1.0.0 until 1.10.1, Langflow did not verify flow ownership in the deprecated POST /api/v1/build/flowid/vertices and POST /api/v1/build/flowid/vertices/vertexid handlers. Through version 1.7.1, an unauthenticated...

CVE-2026-105698

Langflow (versions 1.0.0 through 1.10.0) is vulnerable to cross-user flow access and unauthorized vertex execution due to a missing ownership check in deprecated handlers. Specifically, the POST /api/v1/build/{flow_id}/vertices and POST /api/v1/build/{flow_id}/vertices/{vertex_id} endpoints faile...

CVE-2026-10547: Improper Access Control

IBM Langflow OSS 1.0.0 through 1.10.3 does not properly validate ownership in the deprecated POST /api/v1/build/flowid/vertices endpoint, allowing an authenticated user to inject arbitrary graph data into a shared cache for any flow. This may result in cross-user cache pollution, unauthorized...