CVE-2026-7664

Unauthenticated Flow Execution via Webhook Endpoint in Langflow OSS

CVSS 9.8 CRITICALEPSS 0.3%CWE-287

Vexday Risk Score

28Baixo

Decisão SSVC (CISA)

Track

Sem sinal de exploração → monitorar

CVSS 9.8EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Ciclo de vida

22 jun 2026Publicada no NVD

Recomendação: Monitorar — sem sinal de exploração no momento.

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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Produtos afetados

IBM · Langflow OSS

Referências

https://www.ibm.com/support/pages/node/7277243