EEF-CVE-2026-53426 Atom-table exhaustion denial-of-service via JSON parse_document in MDEx

Summary Allocation of Resources Without Limits or Throttling vulnerability in leandrocp MDEx allows Excessive Allocation. MDEx.parse\document/2 accepts a :json, json source. In lib/mdex.ex, the private json\to\node/1 function passes the attacker-controlled node\type value to Module.concat/1, whic...