CVE-2026-59800

9Router before 0.4.44 contains an OS command injection vulnerability in the unauthenticated POST /api/tunnel/tailscale-install endpoint this route is not covered by the dashboard middleware matcher, so no authorization check is applied. The sudoPassword field from the request body is written to t...

CVE-2026-59800 9Router < 0.4.44 - OS Command Injection via sudoPassword Parameter in Tailscale Install Endpoint

9Router before 0.4.44 contains an OS command injection vulnerability in the unauthenticated POST /api/tunnel/tailscale-install endpoint this route is not covered by the dashboard middleware matcher, so no authorization check is applied. The sudoPassword field from the request body is written to t...

CVE-2026-59800

9Router before 0.4.44 contains an OS command injection vulnerability in the unauthenticated POST /api/tunnel/tailscale-install endpoint this route is not covered by the dashboard middleware matcher, so no authorization check is applied. The sudoPassword field from the request body is written to t...

EUVD-2026-42073

9Router before 0.4.44 contains an OS command injection vulnerability in the unauthenticated POST /api/tunnel/tailscale-install endpoint this route is not covered by the dashboard middleware matcher, so no authorization check is applied. The sudoPassword field from the request body is written to t...

CVE-2026-59800

The CVE-2026-59800 entry describes an OS command injection in 9Router

Missing Authorization

Overview 9router is a 9Router CLI - Start and manage 9Router server Affected versions of this package are vulnerable to Missing Authorization via the POST /api/tunnel/tailscale-install route handler, which accepts a JSON body containing a sudoPassword field and pipes it, along with the contents o...

9router: Missing Authorization and OS Command Injection

Unauthenticated RCE via /api/tunnel/tailscale-install Affected: 9router npm package — current master v0.4.39. Summary POST /api/tunnel/tailscale-install accepts a JSON body with a sudoPassword field and pipes it, followed by the body of https://tailscale.com/install.sh, into a child process spawn...

GHSA-G6G7-PVMX-M74P 9router: Missing Authorization and OS Command Injection

Unauthenticated RCE via /api/tunnel/tailscale-install Affected: 9router npm package — current master v0.4.39. Summary POST /api/tunnel/tailscale-install accepts a JSON body with a sudoPassword field and pipes it, followed by the body of https://tailscale.com/install.sh, into a child process spawn...

9router: Missing Authorization and OS Command Injection

POST /api/tunnel/tailscale-install accepts a JSON body with a sudoPassword field and pipes it, followed by the body of https://tailscale.com/install.sh, into a child process spawned as sudo -S sh. The route is not present in the dashboard middleware matcher in src/proxy.js, so the request reaches...