CVE-2026-30617

CVSS 8.6 HIGHEPSS 0.5%CWE-77

Vexday Risk Score

21Baixo

Decisão SSVC (CISA)

Track

Sem sinal de exploração → monitorar

CVSS 8.6EPSS 0.5%KEV nãoPoC —Nuclei —Metasploit —Patch —

Ciclo de vida

15 abr 2026Publicada no NVD

Recomendação: Monitorar — sem sinal de exploração no momento.

LangChain-ChatChat 0.3.1 contains a remote code execution vulnerability in its MCP STDIO server configuration and execution handling. A remote attacker can access the publicly exposed MCP management interface and configure an MCP STDIO server with attacker-controlled commands and arguments. When the MCP server is started and MCP is enabled for agent execution, subsequent agent activity triggers execution of arbitrary commands on the server. Successful exploitation allows arbitrary command execution within the context of the LangChain-ChatChat service.

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

Produtos afetados

n/a · n/a

Referências

https://www.ox.security/blog/mcp-supply-chain-advisory-rce-vulnerabilities-across-the-ai-ecosystem/