CVE-2026-56678 9Router: Kiro region injection allows authenticated SSRF with Authorization header forwarding

9Router is an AI router & token saver. Prior to 0.5.6, the Kiro API-key validation endpoint POST /api/oauth/kiro/api-key builds an upstream URL using a user-controlled region value, allowing an authenticated attacker to supply a crafted region such as kiro-canary.local:8443 and cause 9Router to...