CVE-2026-17623: Langflow

High severity, CVSS 8.8. EPSS: 0.8% chance of exploitation in the next 30 days.

IBM Langflow OSS 1.0.0 through 1.10.3 could allow a remote authenticated attacker to execute arbitrary commands due to improper validation of the command field in MCP server configurations.

Affected products

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

Published 2026-08-05. Last modified 2026-08-06.