CVE-2026-33349

fast-xml-parser allows users to process XML from JS object without C/C++ based libraries or callbacks. From version 4.0.0-beta.3 to before version 5.5.7, the DocTypeReader in fast-xml-parser uses JavaScript truthy checks to evaluate maxEntityCount and maxEntitySize configuration limits. When a...

CVE-2026-33349

fast-xml-parser allows users to process XML from JS object without C/C++ based libraries or callbacks. From version 4.0.0-beta.3 to before version 5.5.7, the DocTypeReader in fast-xml-parser uses JavaScript truthy checks to evaluate maxEntityCount and maxEntitySize configuration limits. When a...

CVE-2026-33349

fast-xml-parser allows users to process XML from JS object without C/C++ based libraries or callbacks. From version 4.0.0-beta.3 to before version 5.5.7, the DocTypeReader in fast-xml-parser uses JavaScript truthy checks to evaluate maxEntityCount and maxEntitySize configuration limits. When a...

Improper Validation of Specified Quantity in Input

Overview fast-xml-parser is a Validate XML, Parse XML, Build XML without C/C++ based libraries Affected versions of this package are vulnerable to Improper Validation of Specified Quantity in Input in the DocTypeReader component when the maxEntityCount or maxEntitySize configuration options are...

Entity Expansion Limits Bypassed When Set to Zero Due to JavaScript Falsy Evaluation in fast-xml-parser

Summary The DocTypeReader in fast-xml-parser uses JavaScript truthy checks to evaluate maxEntityCount and maxEntitySize configuration limits. When a developer explicitly sets either limit to 0 — intending to disallow all entities or restrict entity size to zero bytes — the falsy nature of 0 in...

The vulnerability of the initDocumentParser function in the Terracotta Quartz Scheduler library, which allows a hacker to execute an XXE attack

The vulnerability of the initDocumentParser function in the Terracotta Quartz Scheduler’s task scheduling library is related to an incorrect limitation on XML references to external objects. Exploiting this vulnerability could allow a malicious actor, operating remotely, to execute an XXE attack...

The vulnerability of the JSON-lib library and the camel-xmljson component of the Java framework Apache Camel, which allows attackers to execute an XXE attack

The vulnerability of the JSON-lib library and the camel-xmljson component of the Java framework Apache Camel is related to an incorrect limitation on XML references to external objects. Exploiting this vulnerability could allow a malicious actor to perform an XXE attack remotely...

Tomcat/JBossWeb: XML parser hijack by malicious web application

It was found that, in certain circumstances, it was possible for a malicious web application to replace the XML parsers used by JBoss Web / Apache Tomcat to process XSLTs for the default servlet, JSP documents, tag library descriptors TLDs, and tag plug-in configuration files. The injected XML...

Tomcat/JBossWeb: XML parser hijack by malicious web application

It was found that, in certain circumstances, it was possible for a malicious web application to replace the XML parsers used by JBoss Web / Apache Tomcat to process XSLTs for the default servlet, JSP documents, tag library descriptors TLDs, and tag plug-in configuration files. The injected XML...

Tomcat/JBossWeb: XML parser hijack by malicious web application

It was found that, in certain circumstances, it was possible for a malicious web application to replace the XML parsers used by JBoss Web / Apache Tomcat to process XSLTs for the default servlet, JSP documents, tag library descriptors TLDs, and tag plug-in configuration files. The injected XML...

Tomcat/JBossWeb: XML parser hijack by malicious web application

It was found that, in certain circumstances, it was possible for a malicious web application to replace the XML parsers used by JBoss Web / Apache Tomcat to process XSLTs for the default servlet, JSP documents, tag library descriptors TLDs, and tag plug-in configuration files. The injected XML...

Tomcat/JBossWeb: XML parser hijack by malicious web application

It was found that, in certain circumstances, it was possible for a malicious web application to replace the XML parsers used by JBoss Web / Apache Tomcat to process XSLTs for the default servlet, JSP documents, tag library descriptors TLDs, and tag plug-in configuration files. The injected XML...

Tomcat/JBossWeb: XML parser hijack by malicious web application

It was found that, in certain circumstances, it was possible for a malicious web application to replace the XML parsers used by JBoss Web / Apache Tomcat to process XSLTs for the default servlet, JSP documents, tag library descriptors TLDs, and tag plug-in configuration files. The injected XML...

Tomcat/JBossWeb: XML parser hijack by malicious web application

It was found that, in certain circumstances, it was possible for a malicious web application to replace the XML parsers used by JBoss Web / Apache Tomcat to process XSLTs for the default servlet, JSP documents, tag library descriptors TLDs, and tag plug-in configuration files. The injected XML...