CVE-2026-28792 Cross-Origin File Exfiltration via CORS Misconfiguration + Path Traversal in TinaCMS

Tina is a headless content management system. Prior to 2.1.8 , the TinaCMS CLI dev server combines a permissive CORS configuration Access-Control-Allow-Origin: with the path traversal vulnerability previously reported to enable a browser-based drive-by attack. A remote attacker can enumerate the...