CVE-2026-6600: Langflow-Ai Langflow

Low severity, CVSS 3.5. EPSS: 0.3% chance of exploitation in the next 30 days.

A flaw has been found in langflow-ai langflow up to 1.8.3. This affects an unknown function of the file src/frontend/src/modals/IOModal/components/chatView/chatMessage/components/edit-message.tsx of the component Frontend React Component Rendering. Executing a manipulation can lead to cross site scripting. The attack may be launched remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

• Langflow-Ai Langflow: version 1.8.0 only; version 1.8.1 only; version 1.8.2 only; version 1.8.3 only

Published 2026-04-20. Last modified 2026-06-17.