Description
IBM Langflow OSS 1.0.0 through 1.11.5 could allow a remote authenticated attacker to execute arbitrary commands due to improper validation of command-line arguments in the MCP stdio server configuration.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| IBM | Langflow OSS | 1.0.0 – ≤ 1.11.5 | — |
Advisories 2
- NCSC-2026-0392 Kwetsbaarheden verholpen in IBM Langflow OSS en IBM MQ Appliance NCSC-NL (Netherlands) · Sep 23, 2026
- WID-SEC-2026-3239 Langflow OSS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 14, 2026
References
- https://www.ibm.com/support/pages/node/7286666 vendor-advisory patch