CVE-2026-7664

Unauthenticated Flow Execution via Webhook Endpoint in Langflow OSS PUBLISHED

Description (CNA)

IBM Langflow OSS 1.0.0 through 1.8.4 could allow unauthenticated attackers to access protected MCP project resources and execute MCP operations due to improper authorization enforcement in the Streamable MCP transport endpoint.

Affected (CNA)

Vendor / product	Versions
IBM / Langflow OSS	affected 1.0.0 through 1.8.4

CWE

CWE-287

References

https://www.ibm.com/support/pages/node/7277243

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.