CVE-2026-28793

TinaCMS CLI dev server (TinaCMS) prior to 2.1.8 exposes media endpoints via tinacms dev (default port 4001) including /media/list/, /media/upload/ , and /media/*. User-controlled path segments are processed with decodeURI() and path.join() without validating the resolved path against the configur...

CVE-2026-28792: Improper Limitation of a Pathname to a Restricted Directory

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...

CVE-2026-29066: Files or Directories Accessible to External Parties

Tina is a headless content management system. Prior to 2.1.8, the TinaCMS CLI dev server configures Vite with server.fs.strict: false, which disables Vite's built-in filesystem access restriction. This allows any unauthenticated attacker who can reach the dev server to read arbitrary files on the...