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CVE-2026-7664

IBM Langflow OSS

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.

CVSS 9.8EPSS 0.498%Risk 1.02
View source
Published
2026-06-22 16:16:41
Affected versions
<=1.8.4
Type
Critical software
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H