CVE-2026-55786
CVE-2026-55786 · Flyto2 Core: Unauthenticated Command Execution via HTTP MCP `execute_module`
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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.
CVSS 8.4 · Hoch · EPSS 0,3% · Korrektur verfügbar
- Veröffentlicht
- Aktualisiert
Technologie-Stack: python
Betroffene Produkte und Versionen
flyto-core
- Softwareversionen
- >= 2.26.2, < 2.26.4: Betroffen
Keine Korrektur veröffentlicht
flyto-core PyPI
- Softwareversionen
- 2.26.2
- 2.26.3
- Betroffene Versionsbereiche
- ECOSYSTEM: ≥ 2.26.2, < 2.26.4
Auf 2.26.4 aktualisieren