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...

opennlp-1.9.5-2.1 on GA media (moderate)

opennlp-1.9.5-2.1 on GA media Announcement ID: openSUSE-SU-2026:11369-1 Rating: moderate Cross-References: CVE-2026-63317 Affected Products: openSUSE Tumbleweed An update that solves one vulnerability can now be installed. Description: These are all security issues fixed in the opennlp-1.9.5-2.1...

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...

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...

EUVD-2026-48529

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...

OPENSUSE-SU-2026:11281-1 opennlp-1.9.5-1.1 on GA media

These are all security issues fixed in the opennlp-1.9.5-1.1 package on the GA media of openSUSE Tumbleweed...

Linux Distros Unpatched Vulnerability : CVE-2026-43825

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Untrusted Java Deserialization in Apache OpenNLP SvmDoccatModel Versions Affected: before 3.0.0-M4 libsvm document categorization module; introduced in...

CVE-2026-43825

A flaw was found in Apache OpenNLP SvmDoccatModel. This vulnerability allows a remote attacker to achieve arbitrary code execution by supplying a specially crafted payload to the deserialize method. The method processes untrusted Java deserialization streams without proper validation, enabling th...

Deserialization of Untrusted Data

Overview Affected versions of this package are vulnerable to Deserialization of Untrusted Data through the deserialize function. An attacker can execute arbitrary code by supplying a crafted serialized payload to the deserialize function, which is processed without proper input filtering. Details...

CVE-2026-43825

Untrusted Java Deserialization in Apache OpenNLP SvmDoccatModel Versions Affected: before 3.0.0-M4 libsvm document categorization module; introduced in OPENNLP-1808 and only present on the 3.x line Description: SvmDoccatModel.deserializeInputStream reads an attacker-controlled stream with...

UBUNTU-CVE-2026-43825

Untrusted Java Deserialization in Apache OpenNLP SvmDoccatModel Versions Affected: before 3.0.0-M4 libsvm document categorization module; introduced in OPENNLP-1808 and only present on the 3.x line Description: SvmDoccatModel.deserializeInputStream reads an attacker-controlled stream with...

CVE-2026-43825

The CVE concerns Apache OpenNLP’s SvmDoccatModel (libsvm document categorization module), with impact on 3.x releases before 3.0.0-M4. The vulnerability arises in SvmDoccatModel.deserialize(InputStream), which uses java.io.ObjectInputStream.readObject() on an attacker-controlled stream without an...

EUVD-2026-41885

Untrusted Java Deserialization in Apache OpenNLP SvmDoccatModel Versions Affected: before 3.0.0-M4 libsvm document categorization module; introduced in OPENNLP-1808 and only present on the 3.x line Description: SvmDoccatModel.deserializeInputStream reads an attacker-controlled stream with...

CVE-2026-43825 Apache OpenNLP :: Core :: ML :: LibSVM: Unsafe Java Deserialization in SvmDoccatModel

Untrusted Java Deserialization in Apache OpenNLP SvmDoccatModel Versions Affected: before 3.0.0-M4 libsvm document categorization module; introduced in OPENNLP-1808 and only present on the 3.x line Description: SvmDoccatModel.deserializeInputStream reads an attacker-controlled stream with...