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...

EUVD-2026-67957

IBM Langflow OSS 1.0.0 through 1.11.1 could allow a remote authenticated attacker to execute and read any user's private flow due to improper authorization...

CVE-2026-19294

IBM Langflow OSS 1.0.0 through 1.11.1 could allow a remote authenticated attacker to execute and read any user's private flow due to improper authorization...

CVE-2026-19294: Authorization Bypass Through User-Controlled Key

IBM Langflow OSS 1.0.0 through 1.11.1 could allow a remote authenticated attacker to execute and read any user's private flow due to improper authorization...

PT-2026-83333

IBM Langflow OSS 1.0.0 through 1.11.1 could allow a remote authenticated attacker to execute and read any user's private flow due to improper authorization...

Security Bulletin: Unauthenticated Access to Private Flow Build Events and Cancellation in Langflow OSS

Summary Langflow OSS contains unauthenticated access vulnerability in /api/v1/buildpublictmp/ router endpoints allowing arbitrary jobid access without authentication or authorization checks. Two endpoints affected: 1 GET /buildpublictmp/jobid/events chat.py:758 streams live build events for any...