PT-2026-64186

Name of the Vulnerable Software and Affected Versions 9router versions prior to 0.4.60 Description An issue exists involving a chain of security flaws. A hardcoded default password allows authentication on fresh installations. Additionally, the LOCAL ONLY network gate can be bypassed using a...

CVE-2026-49353

Summary (CVE-2026-49353): 9Router before 0.4.46 has a local‑only access gate in src/dashboardGuard.js that relies on Host and Origin headers to classify requests as local. In proxied/tunneled deployments (reverse proxy, Cloudflare Tunnel, Tailscale), these headers are attacker‑controlled, enablin...

9router has an Incomplete Fix: Local-Only Access Gate Bypass in 9router via Host Header SpoofING

The fix for CVE-2026-46339 unauthenticated RCE via unprotected MCP plugin routes introduced a local-only access gate in src/dashboardGuard.js that restricts spawn-capable routes /api/mcp/, /api/tunnel/, /api/cli-tools/ to loopback requests. The gate determines "local" by inspecting the Host and...