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// CVE · PUBLISHED 2026-06-22

CVE-2026-7664

IBM / Langflow OSS

9.8 · CVSS 3.1Critical

Description

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.

References

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This product uses the NVD API but is not endorsed or certified by the NVD. CVSS scores do not establish exploitation.