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

CVE-2026-21020 – Vulnerabilidad de deserialización polimórfica en el análisis de mensajes Protobuf Código del programa Python con protobuf root@kitploit: protovuln.py - Insecure handling of Any type import addressbookpb2 Example protobuf Simulated deserialization that trusts an injected typeurl...

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...

CVE-2026-59242

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 ...

CVE-2026-59242

Apache Airflow vulnerability CVE-2026-59242: The XCom GET /api/v2/{...}/xcomEntries/{key}?deserialize=true endpoint can deserialize a string-literal payload via BaseXCom.deserialize_value without the _check_forbidden_xcom_keys guard, enabling an authenticated API user with XCom write-and-read acc...

CVE-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 ...

CVE-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 ...

PT-2026-71140

Name of the Vulnerable Software and Affected Versions Apache Airflow versions prior to 3.3.1 Description An authenticated API user with XCom write-and-read access can instantiate arbitrary airflow. classes on the API server. This occurs because the GET /api/v2/.../xcomEntries/key?deserialize=true...

CVE-2026-63317

A flaw was found in Apache OpenNLP. This vulnerability allows an attacker to achieve arbitrary class instantiation by providing a specially crafted XML feature generator descriptor within a model archive or by supplying untrusted format names. While not direct remote code execution, successful...

CVE-2026-17593

Nexus Repository 3 (and legacy Nexus Repository 2) is affected by CVE-2026-17593 where an account with nexus:settings:update can submit arbitrary realm identifiers via an internal configuration API that doesn’t validate against registered realms. Unrecognized entries are persisted and reread via ...

DEBIAN-CVE-2026-63317

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...

UBUNTU-CVE-2026-63317

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...

CVE-2026-63317

CVE-2026-63317 — Apache OpenNLP : Three code paths load a class by its fully-qualified name via Class.forName() and invoke a no-arg constructor without validation. Affected: OpenNLP versions before 2.5.10 and before 3.0.0-M5. Path 1 (GeneratorFactory) reads the class attribute from XML feature de...

CVE-2026-63317 Apache OpenNLP: Arbitrary Class Instantiation in GeneratorFactory via Feature Descriptor XML

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...

CVE-2026-63317

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...

CVE-2026-63317 Apache OpenNLP: Arbitrary Class Instantiation in GeneratorFactory via Feature Descriptor XML

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...

PT-2026-54850

Name of the Vulnerable Software and Affected Versions mchange-commons-java versions prior to 0.6.0 Description The JNDI ObjectFactory implementation com.mchange.v2.naming.JavaBeanObjectFactory allows the construction of objects from arbitrary classes and the initialization of JavaBean-style...

GHSA-J3RV-43J4-C7QM jackson-databind has a PolymorphicTypeValidator bypass via generic type parameters that allows arbitrary class instantiation

jackson-databind's PolymorphicTypeValidator PTV is the primary safety mechanism guarding polymorphic deserialization. When polymorphic typing is enabled and a type identifier contains generic parameters i.e. the type ID string contains when only java.util.ArrayList is allow-listed. The container...

jackson-databind has a PolymorphicTypeValidator bypass via generic type parameters that allows arbitrary class instantiation

jackson-databind's PolymorphicTypeValidator PTV is the primary safety mechanism guarding polymorphic deserialization. When polymorphic typing is enabled and a type identifier contains generic parameters i.e. the type ID string contains when only java.util.ArrayList is allow-listed. The container...

CVE-2026-54512 jackson-databind: PolymorphicTypeValidator bypass via generic type parameters allows arbitrary class instantiation

jackson-databind contains the general-purpose data-binding functionality and tree-model for Jackson Data Processor. From 2.10.0 until 2.18.8, 2.21.4, and 3.1.4, jackson-databind's PolymorphicTypeValidator PTV is the primary safety mechanism guarding polymorphic deserialization. When polymorphic...