Apache Opennlp
8 CVEs affecting Apache Opennlp. Latest disclosed: 2026-09-11. Critical: 4, High: 3.
| CVE | Severity | Score | Published | Summary |
|---|---|---|---|---|
CVE-2026-82617 | Critical | 9.8 | 2026-09-11 | The two built-in name-finder patterns exposed by opennlp.tools.namefind.RegexNameFinderFactory - DEFAULT_REGEX_NAME_FINDER.EMAIL and DEFAULT_REGEX_NAME_FINDER… |
CVE-2026-42027 | Critical | 9.8 | 2026-05-04 | 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 Des… |
CVE-2017-12620 | Critical | 9.8 | 2017-10-03 | 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… |
CVE-2026-40682 | Critical | 9.1 | 2026-05-04 | XML External Entity (XXE) via Unsanitized Dictionary Parsing in Apache OpenNLP DictionaryEntryPersistor Versions Affected: before 2.5.9, before 3.0.0-M3 De… |
CVE-2026-67211 | High | 7.5 | 2026-09-11 | OOM Denial of Service via Unbounded Map Pre-Sizing in Apache OpenNLP SymSpellModelSerializer Versions Affected: - 3.0.0-M4 - 3.0.0-M5 (The opennlp-spellche… |
CVE-2026-42440 | High | 7.5 | 2026-05-04 | OOM Denial of Service via Unbounded Array Allocation in Apache OpenNLP AbstractModelReader Versions Affected: before 1.9.5 before 2.5.9 before 3.0.0-M3 … |
CVE-2026-43825 | High | 7.3 | 2026-07-06 | Untrusted Java Deserialization in Apache OpenNLP SvmDoccatModel Versions Affected: before 3.0.0-M4 (libsvm document categorization module; introduced in O… |
CVE-2026-63317 | Medium | 5.6 | 2026-07-24 | 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 D… |