CORS for Directus

medium4 checks

CORS decides which origins may read your API responses. A wildcard turns an authenticated API into a public one.

What Directus must have

  • Access-Control-Allow-Origin limited to known origins
  • No wildcard combined with credentials
  • No reflection of arbitrary Origin headers
  • Preflight responses only allow the methods actually used

How to fix it

  1. 1Replace wildcards with an explicit allowlist
  2. 2Validate Origin before echoing it and reject unknown origins early

Directus context

Open-source headless CMS over an existing SQL database.

Role permissions are granular; audit collection-level read access before going live.