CVE-2026-73569: Improper Restriction of Recursive Entity References in DTDs

fast-xml-parser allows users to process XML from JS object without C/C++ based libraries or callbacks. From 5.9.3 until 5.10.1, src/xmlparser/OrderedObjParser.js processes multiple DOCTYPE declarations within a single XML document and passes each declaration's entities through addInputEntities...

CVE-2026-33036: Improper Restriction of Recursive Entity References in DTDs

fast-xml-parser allows users to process XML from JS object without C/C++ based libraries or callbacks. Versions 4.0.0-beta.3 through 5.5.5 contain a bypass vulnerability where numeric character references NNN;, HH; and standard XML entities completely evade the entity expansion limits e.g.,...