CVE Watch29 de out. de 2026

CVE-2026-55786

Flyto2 Core is an execution kernel for automation and AI-agent workflows. From 2.26.2 until 2.26.4, the HTTP MCP POST /mcp route accepts una

CVSS

8.4

Alta

EPSS

0.4%

p35

KEV

—

Exploit Today

0-100

Publicado: 14 de out. de 2026 · Última mod.: 29 de out. de 2026 · CWE-78 · CWE-306

EPSS · 30d

0.3%EPSS · 30 dias0.4%

2026-10-152026-11-06

Descrição técnica

Flyto2 Core is an execution kernel for automation and AI-agent workflows. From 2.26.2 until 2.26.4, the HTTP MCP POST /mcp route accepts unauthenticated JSON-RPC tools/call requests and forwards execute_module arguments to the module registry without the require_auth dependency used by the REST execution routes. An unauthenticated caller can select sandbox.execute_shell and supply its command parameter, which reaches asyncio.create_subprocess_shell with the privileges of the flyto-core server process. The endpoint is reachable locally under the default loopback binding and becomes network reachable when an operator binds the server to a non-loopback interface, allowing arbitrary OS command execution and potential full host compromise. This issue is fixed in version 2.26.4.

Referências oficiais

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