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CVE PROGRAM SOURCE RECORD9.8 Critical

CVE-2026-7664

Unauthenticated Flow Execution via Webhook Endpoint in Langflow OSS

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Status
Published
Published
Updated
Assigning organization
ibm

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

IBM Langflow OSS

  • 1.0.0 to ≤ 1.8.4affected

References