CVE-2026-7663

Unauthenticated Cross-User MCP Resource Access and Tool Execution via Streamable Transport Authorization Bypass PUBLISHED

Description (CNA)

IBM Langflow OSS 1.0.0 through 1.9.6 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 1.9.6

CWE

CWE-285

References

https://www.ibm.com/support/pages/node/7277570

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.