CVE-2026-7663
Critical · 9.1CVSS
9.1
EPSS
0.5%
Published
Jun 30, 2026
CISA due date
—
The record
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 packages
| Ecosystem | Package | Introduced | Fixed |
|---|
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