CVE-2026-111385 Nezha 2.1.0 before 2.3.15 Host Header Injection via MCP Transfer Tools

Nezha from 2.1.0 before 2.3.15 contains a host header injection vulnerability in mintTransferTool that builds fs.downloadurl and fs.uploadurl transfer URLs from the unvalidated Host header. Attackers who control the Host header seen on a victim's MCP request can redirect file uploads or capture...