Is CVE-2026-7663 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-7663?

CVE-2026-7663 has a CVSS v3 severity of CRITICAL (9.1).

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CVE-2026-7663

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.