CVE-2026-49353

9Router is an AI router & token saver. In 0.4.45 and earlier, 9Router's src/dashboardGuard.js local-only access gate used Host and Origin headers in isLocalRequest to protect /api/mcp/, /api/tunnel/, and /api/cli-tools/, allowing header spoofing in reverse proxy or tunnel deployments to reach MCP...

Improper Restriction of Rendered UI Layers or Frames

Overview Affected versions of this package are vulnerable to Improper Restriction of Rendered UI Layers or Frames due to missing security headers in the internal/web/ and internal/api/ response paths. An attacker can compromise the confidentiality and integrity of sensitive operations, such as...