CVE-2026-7663

published 2026-06-30

CVE-2026-7663: 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…

Priority P3 58 critical 9.1 CVSS 3.1

AV N AC L PR N UI N S U C H I H A N

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

1 ranges

Vendor	Product	Version range	Fixed in
ibm	langflow_oss	1.0.0 – 1.9.6	—

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CWE-285