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: Use of Externally-Controlled Input to Select Classes or Code

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-2026-64261

Name of the Vulnerable Software and Affected Versions Apache OpenNLP versions prior to 2.5.10 Apache OpenNLP versions prior to 3.0.0-M5 Description Three code paths allow arbitrary class instantiation by loading a class via its fully-qualified name using Class.forName and invoking its no-arg...

OPENSUSE-SU-2026:11369-1 opennlp-1.9.5-2.1 on GA media

These are all security issues fixed in the opennlp-1.9.5-2.1 package on the GA media of openSUSE Tumbleweed...

SUSE CVE-2017-12620

When loading models or dictionaries that contain XML it is possible to perform an XXE attack, since Apache OpenNLP is a library, this only affects applications that load models or dictionaries from untrusted sources. The versions 1.5.0 to 1.5.3, 1.6.0, 1.7.0 to 1.7.2, 1.8.0 to 1.8.1 of Apache...

opennlp-1.9.5-1.1 on GA media (moderate)

opennlp-1.9.5-1.1 on GA media Announcement ID: openSUSE-SU-2026:11281-1 Rating: moderate Cross-References: CVE-2017-12620 CVE-2026-40682 CVE-2026-42027 CVE-2026-42440 Affected Products: openSUSE Tumbleweed An update that solves 4 vulnerabilities can now be installed. Description: These are all...

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...

SUSE 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...

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...

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...

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...

CVE-2026-43825

Apache OpenNLP versions before 3.0.0-M4 are vulnerable to Untrusted Java Deserialization within the libsvm document categorization module (introduced in OPENNLP-1808). The root cause is that the SvmDoccatModel.deserialize(InputStream) method calls readObject() using java.io.ObjectInputStream 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...

CVE-2026-43825: Deserialization of Untrusted Data

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...

PT-2026-55955

Name of the Vulnerable Software and Affected Versions Apache OpenNLP versions prior to 3.0.0-M4 Description Untrusted Java deserialization occurs in the SvmDoccatModel.deserializeInputStream function. The function uses java.io.ObjectInputStream to read an attacker-controlled stream and calls...