CVE-2026-63732 9router before 0.4.60 Remote Code Execution via default password

9router 0.4.59 fixed in 0.4.60 contains a chain of vulnerabilities: a hardcoded default password 123456 that authenticates any fresh installation, a bypass of the LOCALONLY network gate via a spoofed Host header, and unvalidated arguments passed to childprocess.spawn when registering MCP plugins....