CVE-2026-21020-Protobuf-Message-Parsing-Polymorphic-Deserialization-Vulnerability

CVE-2026-21020 – Protobuf Message Parsing Polymorphic Deserialization Vulnerability Program Code Python with protobuf root@kitploit: protovuln.py - Insecure handling of Any type import addressbookpb2 Example protobuf Simulated deserialization that trusts an injected typeurl from google.protobuf...

CVE-2026-86732

Craft CMS versions before 5.10.12 contain a remote code execution vulnerability in the element-index endpoint that allows authenticated content editors to instantiate arbitrary classes through the criteria parameter. Attackers can inject a malicious class via criteriawithTransforms0class that...

CVE-2026-86732 Craft CMS before 5.10.12 Remote Code Execution via element-index

Craft CMS versions before 5.10.12 contain a remote code execution vulnerability in the element-index endpoint that allows authenticated content editors to instantiate arbitrary classes through the criteria parameter. Attackers can inject a malicious class via criteriawithTransforms0class that...

EUVD-2026-72868

Craft CMS versions before 5.10.12 contain a remote code execution vulnerability in the element-index endpoint that allows authenticated content editors to instantiate arbitrary classes through the criteria parameter. Attackers can inject a malicious class via criteriawithTransforms0class that...

CVE-2026-86732

Craft CMS versions before 5.10.12 contain a Remote Code Execution vulnerability in the element-index endpoint. Authenticated content editors can instantiate arbitrary classes by injecting a malicious class via criteria[withTransforms][0][class], which reaches ImageTransforms::normalizeTransform()...

graylog-cve-2024-24824-exploit

Exploiting Arbitrary Class Loading on the JVM This repository contains the proof-of-concept exploit presented in my talk: Exploiting Arbitrary Class Loading on the JVM Watch it here if you're interested: Youtube The exploit targets CVE-2024-24824 minor typo in the slides, an arbitrary class loadi...

CVE-2026-19032 jackson-databind resolves attacker-controlled URI schemes when deserializing java.nio.file.Path

jackson-databind's deserializer for java.nio.file.Path resolves an attacker-supplied URI without restricting the URI scheme. In JDKFromStringDeserializer.NioPathHelper.deserialize, a string bound from untrusted JSON is passed to new URIvalue and then to Path.ofuri. When that throws...

CVE-2026-79784

Vocos instantiates a class named by a configuration file without restricting which class may be named. instantiateclass in vocos/pretrained.py takes the classpath value from the configuration, splits it into a module and an attribute, imports the module with import, resolves the attribute with...

Astra Linux – Vulnerability in ruby-kramdown

Before version 2.3.1, Kramdown did not restrict Rouge formatters to the Rouge::Formatters namespace, allowing arbitrary classes to be instantiated...

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...

cve-2026-47856 - MEDIUM - JsonToObjectTransformer resolves the json__TypeId__ message header to an arbitrary class without an allow-list

cve-2026-47856 - MEDIUM - JsonToObjectTransformer resolves the jsonTypeId message header to an arbitrary class without an allow-list...

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...

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,...

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,...

BIT-AIRFLOW-2026-59242 Apache Airflow: Arbitrary airflow.* class instantiation on the API server via the XCom deserialize endpoint

Apache Airflow's XCom GET /api/v2/.../xcomEntries/key?deserialize=true endpoint passed a string-literal payload through BaseXCom.deserializevalue without the checkforbiddenxcomkeys guard, allowing an authenticated API user with XCom write-and-read access to instantiate arbitrary airflow. classes ...

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...