CVE-2026-9205: Langflow

Critical severity, CVSS 9.8. EPSS: 0.3% chance of exploitation in the next 30 days.

IBM Langflow OSS contains a weak cryptographic key derivation vulnerability in the ensure_fernet_key() function.

Affected products

• Langflow Langflow: from 1.0.0, before 1.11.0 (fixed in 1.11.0)

Published 2026-08-05. Last modified 2026-08-07.