CVE-2026-43825: opennlp 3.0.0 · update m1, 3.0.0 · update m2, 3.0.0 · update m3; +1 more affected products

CVE-2026-43825. CVSS 3.1 base score 7.3 (HIGH, Source advisory). EPSS 0.13921 (percentile 0.96513), scored 25-Oct-2026.

Affected technology

opennlp · 3.0.0 · update m1
apache

opennlp · 3.0.0 · update m2
apache

opennlp · 3.0.0 · update m3
apache

Apache OpenNLP :: Core :: ML :: LibSVM · 3.0.0-M1 to before 3.0.0-M4
Apache Software Foundation

Description’s affected range: 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.deserialize(InputStream) reads an attacker-controlled stream with java.io.ObjectInputStream and calls readObject() without an ObjectInputFilter installed

Component: Not specified by the source

Attack conditions (Source advisory, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

Source advisory’s CVSS 3.1 assessment (base score 7.3/10) rates confidentiality, integrity and availability impact as low. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 25-Oct-2026 21:45 UTC

CWE: CWE-502
CCR priority: 32.7 /100 (P4)
CVSS 3.1: 7.3 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L · Source advisory
EPSS: 0.13921 · percentile 0.96513 · 2026-10-25
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-25 21:44:36.062275+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-43825.html