CVE-2026-55638

9Router is an AI router & token saver. Prior to 0.5.2, 9router protects /v1, /v1beta, /api/v1, and /api/v1beta in src/dashboardGuard.js but omits /codex before next.config.mjs rewrites /codex/ to /api/v1/responses. A remote unauthenticated attacker can send requests to /codex/ to bypass the API-k...

CVE-2026-55638

9router prior to version 0.5.2 exposed an unauthenticated access path via /codex that bypassed the API-key gate due to an incomplete rewrite handling. An attacker could send requests to /codex/* and trigger upstream provider calls using operator-stored LLM provider credentials. The vulnerability ...