9router: Unauthenticated `/v1` proxy access via `Host`-header spoofing → open AI relay + SSRF

9router's request guard decides a request is "local" and therefore exempt from API-key auth on the /v1 LLM proxy by reading the client-controlled Host header. Because 9router binds 0.0.0.0 by default and the CLI misleadingly prints "localhost", a remote, unauthenticated attacker who can reach the...

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...

CVE-2026-10269

Summary (CVE-2026-10269) : A vulnerability in decolua 9router

CVE-2026-10269 decolua 9router HTTP Header dashboardGuard.js isAuthenticated improper authorization

A security vulnerability has been detected in decolua 9router up to 0.4.0. This issue affects the function isAuthenticated of the file src/dashboardGuard.js of the component HTTP Header Handler. The manipulation of the argument Host leads to improper authorization. The attack is possible to be...