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 ...

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: 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 versions prior to 3.3.1 are vulnerable to a deserialization of untrusted data (CWE-502) flaw. The GET /api/v2/{...}/xcomEntries/{key}?deserialize=true endpoint passes string-literal payloads through BaseXCom.deserialize_value without the _check_forbidden_xcom_keys guard. This allow...

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...

PT-2026-105506

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

CVE-2026-59242: Deserialization of Untrusted Data

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-2026-63317

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...

CVE-2026-44416

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-2026-44416 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...

PT-2026-69430

Name of the Vulnerable Software and Affected Versions Apache Ranger versions prior to 2.9.0 Description Remote Code Execution is possible through arbitrary class instantiation within the plugin-schema-registry component. Arbitrary class instantiation occurs when an application creates an instance...

CVE-2026-44416: Improper Control of Generation of Code

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 - Arbitrary Class Instantiation via Unsafe Realm Configuration

An account holding the nexus:settings:update permission in Nexus Repository 3 or the equivalent nexus:settings permission in the legacy Nexus Repository 2 could submit arbitrary values as realm identifiers through an internal configuration API that did not validate them against the set of...

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

Apache OpenNLP versions before 2.5.10 and before 3.0.0-M5 are vulnerable to arbitrary class instantiation because three code paths use Class.forName() to load classes without prior validation. Specifically, GeneratorFactory parses class names from XML descriptors in model archives, StreamFactoryR...

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...