EUVD-2026-61043

The RabbitMQ Java client library allows Java and JVM-based applications to connect to and interact with RabbitMQ nodes. Prior to 5.33.0, com.rabbitmq.tools.jsonrpc.ProcedureDescription receives a javaReturnType value in an untrusted system.describe response and passes it through JSONUtil.tryFill,...

CVE-2026-63337 RabbitMQ Java client: Unvalidated Class.forName in JSON-RPC ProcedureDescription enables arbitrary class loading

The RabbitMQ Java client library allows Java and JVM-based applications to connect to and interact with RabbitMQ nodes. Prior to 5.33.0, com.rabbitmq.tools.jsonrpc.ProcedureDescription receives a javaReturnType value in an untrusted system.describe response and passes it through JSONUtil.tryFill,...

CVE-2026-63337 RabbitMQ Java client: Unvalidated Class.forName in JSON-RPC ProcedureDescription enables arbitrary class loading

The RabbitMQ Java client library allows Java and JVM-based applications to connect to and interact with RabbitMQ nodes. Prior to 5.33.0, com.rabbitmq.tools.jsonrpc.ProcedureDescription receives a javaReturnType value in an untrusted system.describe response and passes it through JSONUtil.tryFill,...

PT-2026-77211

The RabbitMQ Java client library allows Java and JVM-based applications to connect to and interact with RabbitMQ nodes. Prior to 5.33.0, com.rabbitmq.tools.jsonrpc.ProcedureDescription receives a javaReturnType value in an untrusted system.describe response and passes it through JSONUtil.tryFill,...

CVE-2026-63337: Use of Externally-Controlled Input to Select Classes or Code

The RabbitMQ Java client library allows Java and JVM-based applications to connect to and interact with RabbitMQ nodes. Prior to 5.33.0, com.rabbitmq.tools.jsonrpc.ProcedureDescription receives a javaReturnType value in an untrusted system.describe response and passes it through JSONUtil.tryFill,...

CVE-2026-63317: Use of Externally-Controlled Input to Select Classes or Code

Arbitrary Class Instantiation via XML Feature Generator Descriptor and Format Name in Apache OpenNLP Versions Affected: - before 2.5.10 - before 3.0.0-M5 Description: Three code paths in Apache OpenNLP load a class by its fully-qualified name via Class.forName and invoke its no-arg constructor...

EUVD-2026-42836

Use of Externally-Controlled Input to Select Classes or Code 'Unsafe Reflection' vulnerability in Apache IoTDB. The pipe processor reads a fully qualified Java class name and instantiates it using Class.forName.newInstance without any validation or allowlisting. This issue affects Apache IoTDB:...

CVE-2026-40008: Use of Externally-Controlled Input to Select Classes or Code

Use of Externally-Controlled Input to Select Classes or Code 'Unsafe Reflection' vulnerability in Apache IoTDB. The pipe processor reads a fully qualified Java class name and instantiates it using Class.forName.newInstance without any validation or allowlisting. This issue affects Apache IoTDB:...

OSV-2022-1096 Security exception in jaz.Zer.<clinit>

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=52699 Crash type: Security exception Crash state: jaz.Zer. java.base/java.lang.Class.forName0 java.base/java.lang.Class.forName...

Privilege Escalation

kylin-server-base is vulnerable to privilege escalation. The vulnerability exists in the setParam function in QueryService.java, allowing an attacker to load any class through the Class.forName function...

ElasticSearch - Search Groovy Sandbox Bypass (Metasploit)

This module requires Metasploit: http://metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework require 'msf/core' class Metasploit3 'ElasticSearch Search Groovy Sandbox Bypass', 'Description' = %q This module exploits a remote command execution RCE vulnerability in...

CVE-2002-1287

Stack-based buffer overflow in the Microsoft Java implementation, as used in Internet Explorer, allows remote attackers to cause a denial of service via a long class name through 1 Class.forName or 2 ClassLoader.loadClass...

CVE-2002-1287

The CVE concerns Microsoft’s Java implementation used by Internet Explorer. A stack-based buffer overflow occurs in the Java runtime when handling long class names via Class.forName or ClassLoader.loadClass, allowing a remote attacker to cause a denial of service. The affected component is the Mi...