CVE-2026-12822: Langflow

High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days.

A vulnerability was identified in langflow-ai langflow up to 1.9.3. This affects an unknown function of the component Bundle URL Loader. The manipulation leads to code injection. The attack needs to be performed locally. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

• Langflow Langflow: before 1.9.3 (fixed in 1.9.3)

Published 2026-06-22. Last modified 2026-06-26.