CVE-2026-55423: Langflow

Medium severity, CVSS 6.1. EPSS: 0.2% chance of exploitation in the next 30 days.

Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to 1.7.0, the logout button does not clear the session. The previous user stays logged in unless another user explicitly logs in. This vulnerability is fixed in 1.7.0.

Affected products

• Langflow Langflow: before 1.7.0 (fixed in 1.7.0)

Published 2026-06-23. Last modified 2026-06-24.