GHSA-CX4M-2P55-RW7J Apache OpenNLP ExtensionLoader Vulnerable to Arbitrary Class Instantiation via Model Manifest

Arbitrary Class Instantiation via Model Manifest in Apache OpenNLP ExtensionLoader Versions Affected: before 2.5.9, before 3.0.0-M3 Description: The ExtensionLoader.instantiateExtensionClass, String method loads a class by its fully-qualified name via Class.forName and invokes its no-arg...

Unsafe Reflection

Overview Affected versions of this package are vulnerable to Unsafe Reflection that leads to arbitrary class instantiation, via the instantiateExtension method in the ExtensionLoader class. An attacker can trigger the static initializer of any class present on the classpath by supplying a model...

CVE-2026-42027

Arbitrary Class Instantiation via Model Manifest in Apache OpenNLP ExtensionLoader Versions Affected: before 1.9.5, before 2.5.9, before 3.0.0-M3 Description: The ExtensionLoader.instantiateExtensionClass, String method loads a class by its fully-qualified name via Class.forName and invokes its...

CVE-2026-42027 Apache OpenNLP: Arbitrary Class Instantiation via Model Manifest in ExtensionLoader

Arbitrary Class Instantiation via Model Manifest in Apache OpenNLP ExtensionLoader Versions Affected: before 1.9.5, before 2.5.9, before 3.0.0-M3 Description: The ExtensionLoader.instantiateExtensionClass, String method loads a class by its fully-qualified name via Class.forName and invokes its...

CVE-2026-42027 Apache OpenNLP: Arbitrary Class Instantiation via Model Manifest in ExtensionLoader

Arbitrary Class Instantiation via Model Manifest in Apache OpenNLP ExtensionLoader Versions Affected: before 1.9.5, before 2.5.9, before 3.0.0-M3 Description: The ExtensionLoader.instantiateExtensionClass, String method loads a class by its fully-qualified name via Class.forName and invokes its...

EUVD-2026-27005

Arbitrary Class Instantiation via Model Manifest in Apache OpenNLP ExtensionLoader Versions Affected: before 2.5.9, before 3.0.0-M3 Description: The ExtensionLoader.instantiateExtensionClass, String method loads a class by its fully-qualified name via Class.forName and invokes its no-arg...

PT-2026-36635

Name of the Vulnerable Software and Affected Versions Apache OpenNLP versions prior to 2.5.9 Apache OpenNLP versions prior to 3.0.0-M3 Description The DictionaryEntryPersistor class initializes a static SAXParserFactory without enabling FEATURE SECURE PROCESSING or disabling DTD processing. When...

PT-2026-36637

Name of the Vulnerable Software and Affected Versions Apache OpenNLP versions prior to 2.5.9 Apache OpenNLP versions prior to 3.0.0-M3 Description An OutOfMemory OOM Denial of Service exists in the AbstractModelReader class. The methods getOutcomes, getOutcomePatterns, and getPredicates read a...

PT-2026-36636

Name of the Vulnerable Software and Affected Versions Apache OpenNLP versions prior to 2.5.9 Apache OpenNLP versions prior to 3.0.0-M3 Description The ExtensionLoader.instantiateExtensionClass, String function loads a class by its fully-qualified name using Class.forName and invokes its no-arg...

CVE-2026-7584

The LabOne Q serialization framework uses a class-loading mechanism importcls to dynamically import and instantiate Python classes during deserialization. Prior to the fix, this mechanism accepted arbitrary fully-qualified class names from the serialized data without any validation of the target...

CVE-2026-42521

Jenkins Matrix Authorization Strategy Plugin 2.0-beta-1 through 3.2.9 both inclusive invokes parameterless constructors of classes specified in configuration when deserializing inheritance strategies, without restricting the classes that can be instantiated, allowing attackers with Item/Configure...

PT-2026-35915

Jenkins Matrix Authorization Strategy Plugin 2.0-beta-1 through 3.2.9 both inclusive invokes parameterless constructors of classes specified in configuration when deserializing inheritance strategies, without restricting the classes that can be instantiated, allowing attackers with Item/Configure...

Zabbix 7.4.x < 7.4.7 Arbitrary PHP Class Instantiation (ZBX-27641)

The version of Zabbix Server installed on the remote host is affected by a vulnerability. An unauthenticated attacker can exploit the Frontend 'validate' action to blindly instantiate arbitrary PHP classes. The impact depends on environment setup but appears limited at this time. Note that Nessus...

CVE-2026-23923 Unauthenticated arbitrary PHP class instantiation

An unauthenticated attacker can exploit the Frontend 'validate' action to blindly instantiate arbitrary PHP classes. The impact depends on environment setup but appears limited at this time...

Zabbix 安全漏洞

Zabbix is an open-source monitoring system developed by Zabbix Inc. This system supports network monitoring, server monitoring, cloud monitoring, and application monitoring. Zabbix has security vulnerabilities; one of these vulnerabilities stems from the ability to instantiate arbitrary PHP class...

CVE-2025-54920

This issue affects Apache Spark: before 3.5.7 and 4.0.1. Users are recommended to upgrade to version 3.5.7 or 4.0.1 and above, which fixes the issue. Summary Apache Spark 3.5.4 and earlier versions contain a code execution vulnerability in the Spark History Web UI due to overly permissive Jackson...

CVE-2025-52998

Chamilo is a learning management system. Prior to version 1.11.30, in the application, deserialization of data is performed, the data can be spoofed. An attacker can create objects of arbitrary classes, as well as fully control their properties, and thus modify the logic of the web application's...

GHSA-GJX9-J8F8-7J74 JinJava Bypass through ForTag leads to Arbitrary Java Execution

Impact Vulnerability Type: Sandbox Bypass / Remote Code Execution Affected Component: Jinjava Affected Users: - Organizations using HubSpot's Jinjava template rendering engine for user-provided template content - Any system that renders untrusted Jinja templates using HubSpot's Jinjava...

CVE-2026-1225 Malicious logback.xml configuration file allows instantiation of arbitrary classes

ACE vulnerability in configuration file processing by QOS.CH logback-core up to and including version 1.5.24 in Java applications, allows an attacker to instantiate classes already present on the class path by compromising an existing logback configuration file. The instantiation of a potentially...

CVE-2025-10702

Improper Control of Generation of Code 'Code Injection' vulnerability in Progress DataDirect Connect for JDBC drivers, Progress DataDirect Open Access JDBC driver and Hybrid Data Pipeline allows Remote Code Inclusion. The SpyAttribute connection option implemented by the DataDirect Connect for JD...