CVE-2026-105793

Microsoft UFO is an open-source framework for intelligent automation across devices and platforms. Prior to 3.0.9, the press_key tool in ufo/client/mcp/http_servers/mobile_mcp_server.py accepts a free-form key_code parameter and passes it to `adb shell input keyevent`. The adb client joins the arguments into a remote command string that the Android shell reparses, allowing an authenticated Mobile MCP caller to execute additional commands as the Android shell user on an authorized connected device. Exploitation requires a valid UFO_MCP_API_KEY, adb on the host, and a reachable authorized device, and it does not establish host operating-system execution, Android root execution, or access beyond the Android shell-user privileges. This issue is fixed in version 3.0.9.

• CWE-78

• https://github.com/microsoft/UFO/commit/a538791043327a0c33731d5be428867a5fd71794
• https://github.com/microsoft/UFO/releases/tag/v3.0.9
• https://github.com/microsoft/UFO/security/advisories/GHSA-5cjx-4375-4877
• https://github.com/microsoft/UFO/security/advisories/GHSA-5cjx-4375-4877

Published

Oct 6, 2026

Last Modified

Oct 6, 2026

Status

Deferred

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