CVE-2026-97655: Langflow

High severity, CVSS 8.8. EPSS: 0.5% chance of exploitation in the next 30 days.

IBM Langflow OSS 1.0.0 through 1.12.2 could allow a remote attacker to execute arbitrary code due to an incomplete blocklist in the code security scanner.

Affected products

• Langflow Langflow: from 1.0.0, before 1.12.3 (fixed in 1.12.3)

Published 2026-10-07. Last modified 2026-10-08.