Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to version 1.7.0.dev45, multiple critical API endpoints in Langflow are missing authentication controls. The issue allows any unauthenticated user to access sensitive user conversation data, transaction histories, and perform destructive operations including message deletion. This affects endpoints handling personal data and system operations that should require proper authorization. Version 1.7.0.dev45 contains a patch.

Langlow versions before 1.7.1 lack of authentication on multiple API monitor endpoints, allowing unauthenticated access to sensitive conversation data, transaction histories, and destructive operations such as message deletion. This detection is included in the AI and LLM category.

There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to version
    1.7.0.dev45, multiple critical API endpoints in Langflow are missing authentication controls. The issue
    allows any unauthenticated user to access sensitive user conversation data, transaction histories, and
    perform destructive operations including message deletion. This affects endpoints handling personal data
    and system operations that should require proper authorization. Version 1.7.0.dev45 contains a patch.
    (CVE-2026-21445)

ID	Name	Product	Family	Severity
115175	Langflow < 1.7.1 Monitor API Authentication Bypass	Web App Scanning	Artificial Intelligence	critical
436560	SCA: security update for langflow, langflow-base (GHSA-c5cp-vx83-jhqx)	Tenable Cloud Security	SCA Checks	critical
436560	SCA: security update for langflow, langflow-base (GHSA-c5cp-vx83-jhqx)	Tenable Self-Hosted Container Security	SCA Checks	critical

Detections

Analytics

CVE-2026-21445

critical

Tenable Plugins

critical

critical

critical