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-2026-44416 Apache Ranger: Remote Code Execution via Arbitrary Class Instantiation

Remote Code Execution via Arbitrary Class Instantiation in plugin-schema-registry component in Apache Ranger = 2.8.0. Users are recommended to upgrade to version 2.9.0, which fixes this issue...

EUVD-2026-55250

Remote Code Execution via Arbitrary Class Instantiation in plugin-schema-registry component in Apache Ranger = 2.8.0. Users are recommended to upgrade to version 2.9.0, which fixes this issue...

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 ...

CVE-2026-69098

kotaemon through 0.12.0 contains an insecure deserialization vulnerability in the checkconnection endpoint that allows unauthenticated attackers to instantiate arbitrary Python classes by supplying crafted YAML/JSON input with a type field. Attackers can exploit this to override the type field wi...

Linux Distros Unpatched Vulnerability : CVE-2026-63317

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

SUSE 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...

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 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

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

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...

CVE-2026-40008 Apache IoTDB: Arbitrary Class Instantiation via Pipe Transfer RPC

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:...

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...