Deserialization Of Untrusted Data

RabbitMQ Java client library is vulnerable to Deserialization of Untrusted Data. The vulnerability is due to the javaReturnType value from an untrusted system.describe response being passed to Class.forName with class initialization enabled, which allows an attacker capable of intercepting or...

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

The JSON-RPC tools in com.rabbitmq.tools.jsonrpc perform Class.forNamejavaReturnType with initialize=true on class names received from untrusted AMQP messages, without any validation or allowlist. Vulnerable code ProcedureDescription.java:101-127: When a JsonRpcClient connects, it calls...

GHSA-6G32-PXV4-2WFJ RabbitMQ Java client: Unvalidated Class.forName in JSON-RPC ProcedureDescription enables arbitrary class loading

The JSON-RPC tools in com.rabbitmq.tools.jsonrpc perform Class.forNamejavaReturnType with initialize=true on class names received from untrusted AMQP messages, without any validation or allowlist. Vulnerable code ProcedureDescription.java:101-127: When a JsonRpcClient connects, it calls...

CVE-2026-63337

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

The RabbitMQ Java client (pre-5.33.0) passes an untrusted javaReturnType from system.describe through Class.forName with initialization enabled, allowing an attacker controlling broker responses to trigger arbitrary class static initializers in the victim JVM, affecting confidentiality, integrity...

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,...

SUSE SLES12: java-1_8_0-ibm / java-1_8_0-ibm-alsa / java-1_8_0-ibm-devel / etc (SUSE-SU-2026:3614-1)

The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3614-1 advisory. Update to Java 8.0 Service Refresh 8 Fix Pack 70 bsc1273223. - CVE-2026-16243: inconsistent handling of zero length data in arraycmp of the SIM...

Security update for java-1_8_0-ibm

This update for java-180-ibm fixes the following issues: Update to Java 8.0 Service Refresh 8 Fix Pack 70 bsc1273223. CVE-2026-16243: inconsistent handling of zero length data in arraycmp of the SIMD evaluator bsc1274275. CVE-2026-16439: using -Xtrace to trace method arguments can lead to buffer...

SUSE-SU-2026:3615-1 Security update for java-1_8_0-ibm

This update for java-180-ibm fixes the following issues: Update to Java 8.0 Service Refresh 8 Fix Pack 70 bsc1273223. - CVE-2026-16243: inconsistent handling of zero length data in arraycmp of the SIMD evaluator bsc1274275. - CVE-2026-16439: using -Xtrace to trace method arguments can lead to...

CVE-2026-19135 OpenNMS JEXL sandbox bypass in Measurements REST API allows ROLE_USER to load arbitrary classes

A JEXL expression sandbox bypass exists in multiple versions of OpenNMS Meridian and Horizon. A low-privileged authenticated user can submit a crafted expression to the Measurements REST API that escapes the sandbox and loads arbitrary Java classes on the server. This can potentially allow an...

Important: Red Hat Security Advisory: java-1.8.0-ibm security update

An update for java-1.8.0-ibm is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability...

RHEL 8 : java-1.8.0-ibm (RHSA-2026:52949)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:52949 advisory. IBM Java SE version 8 includes the IBM Java Runtime Environment and the IBM Java Software Development Kit. Security Fixes: Little CMS: lcms...

CVE-2026-8400

IBM WebSphere Application Server 8.5, and 9.0 and IBM WebSphere Application Server - Liberty Continuous delivery has a flaw in the ORB component in IBM SDK, Java Technology Edition, may allow a malicious IIOP server to induce loading and instantation of arbitrary classes...

CVE-2026-8400

IBM WebSphere Application Server 8.5, and 9.0 and IBM WebSphere Application Server - Liberty Continuous delivery has a flaw in the ORB component in IBM SDK, Java Technology Edition, may allow a malicious IIOP server to induce loading and instantation of arbitrary classes...

CVE-2026-8400

CVE-2026-8400 affects IBM WebSphere Application Server 8.5, 9.0, and WebSphere Application Server Liberty Continuous Delivery. The issue is in the ORB component of IBM SDK, Java Technology Edition, where a malicious IIOP server could cause loading and instantiation of arbitrary classes, enabling ...

CVE-2026-8400 Multiple Vulnerabilities in IBM® Java SDK affect IBM WebSphere Application Server and WebSphere Application Server Liberty due to the July 2026 CPU

IBM WebSphere Application Server 8.5, and 9.0 and IBM WebSphere Application Server - Liberty Continuous delivery has a flaw in the ORB component in IBM SDK, Java Technology Edition, may allow a malicious IIOP server to induce loading and instantation of arbitrary classes...

OpenAM: Unauthenticated Remote Code Execution via Class.forName in AuthXMLUtils.createCustomCallback

Summary A pre-authentication remote code execution vulnerability affects OpenAM. The remote authentication endpoint /authservice, PLL accepts an XML element that names an arbitrary Java class, which the server then loads and instantiates without validation. On a default configuration this is...

CVE-2026-54512

A flaw was found in jackson-databind. This vulnerability allows a remote attacker to bypass the PolymorphicTypeValidator PTV when polymorphic typing is enabled and a type identifier contains generic parameters. By crafting a malicious type ID, an attacker can place a denied class as a generic typ...