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CVE-2026-7663

CRITICAL CVSS: 9.1 Published: 2026-06-30 Modified: 2026-07-02

Description

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 Platforms

Langflow Langflow

Weakness Type

CWE-285, CWE-863

References