CVE-2026-7664

Summary

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 Software

VendorProductVersion RangeStatus
IBMLangflow OSS1.0.0 <= 1.8.4affected

Weaknesses

  • CWE-287: CWE-287 Improper Authentication

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: total

References