{"schema_version":1,"title":"org.apache.opennlp:opennlp-tools (Maven) vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 4 vulnerabilities in org.apache.opennlp:opennlp-tools (Maven): 0 in the last 7 days and 0 in the last 90 days, 2 of them critical and 0 exploited in the wild. The most recent, CVE-2026-42440, was published on 4 May 2026.","url":"https://junglewise.ai/threats/technologies/org-apache-opennlp-opennlp-tools","json_url":"https://junglewise.ai/threats/technologies/org-apache-opennlp-opennlp-tools.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/org-apache-opennlp-opennlp-tools","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","thin":true,"counts":{"high":1,"all_time":4,"critical":2,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":0,"last_365_days":3},"latest":[{"cve":"CVE-2026-42440","cvss":7.5,"epss":0.006,"slug":"cve-2026-42440-apache-opennlp-denial-of-service-in-abstractmodelreader","title":"Apache OpenNLP denial of service in AbstractModelReader","severity":"high","exploited":false,"published_at":"2026-05-04T17:16:26.147+00:00","url":"https://junglewise.ai/threats/cve-2026-42440-apache-opennlp-denial-of-service-in-abstractmodelreader"},{"cve":"CVE-2026-42027","cvss":9.8,"epss":0.0127,"slug":"cve-2026-42027-apache-opennlp-arbitrary-class-instantiation-in-extensionloader","title":"Apache OpenNLP arbitrary class instantiation in ExtensionLoader","severity":"critical","exploited":false,"published_at":"2026-05-04T17:16:24.123+00:00","url":"https://junglewise.ai/threats/cve-2026-42027-apache-opennlp-arbitrary-class-instantiation-in-extensionloader"},{"cve":"CVE-2026-40682","cvss":9.1,"epss":0.0084,"slug":"cve-2026-40682-apache-opennlp-xxe-in-dictionaryentrypersistor","title":"Apache OpenNLP XXE in DictionaryEntryPersistor","severity":"critical","exploited":false,"published_at":"2026-05-04T17:16:23.657+00:00","url":"https://junglewise.ai/threats/cve-2026-40682-apache-opennlp-xxe-in-dictionaryentrypersistor"},{"cve":"CVE-2017-12620","cvss":3,"epss":0.0304,"slug":"cve-2017-12620-improper-restriction-of-xml-external-entity-reference-in-apache","title":"Improper Restriction of XML External Entity Reference in Apache OpenNLP","severity":"low","exploited":false,"published_at":"2022-05-17T00:29:00+00:00","url":"https://junglewise.ai/threats/cve-2017-12620-improper-restriction-of-xml-external-entity-reference-in-apache"}],"weekly":[{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-28","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-05","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-12","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-19","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-26","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-11-02","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-11-09","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"org.jenkins-ci.main:jenkins-core (Maven)","slug":"org-jenkins-ci-main-jenkins-core","vulnerabilities":259,"url":"https://junglewise.ai/threats/technologies/org-jenkins-ci-main-jenkins-core"},{"name":"org.apache.tomcat:tomcat (Maven)","slug":"org-apache-tomcat-tomcat","vulnerabilities":169,"url":"https://junglewise.ai/threats/technologies/org-apache-tomcat-tomcat"},{"name":"com.liferay.portal:release.portal.bom (Maven)","slug":"com-liferay-portal-release-portal-bom","vulnerabilities":159,"url":"https://junglewise.ai/threats/technologies/com-liferay-portal-release-portal-bom"},{"name":"com.liferay.portal:release.dxp.bom (Maven)","slug":"com-liferay-portal-release-dxp-bom","vulnerabilities":125,"url":"https://junglewise.ai/threats/technologies/com-liferay-portal-release-dxp-bom"},{"name":"org.keycloak:keycloak-services (Maven)","slug":"org-keycloak-keycloak-services","vulnerabilities":122,"url":"https://junglewise.ai/threats/technologies/org-keycloak-keycloak-services"},{"name":"com.fasterxml.jackson.core:jackson-databind (Maven)","slug":"com-fasterxml-jackson-core-jackson-databind","vulnerabilities":86,"url":"https://junglewise.ai/threats/technologies/com-fasterxml-jackson-core-jackson-databind"},{"name":"org.apache.tomcat.embed:tomcat-embed-core (Maven)","slug":"org-apache-tomcat-embed-tomcat-embed-core","vulnerabilities":83,"url":"https://junglewise.ai/threats/technologies/org-apache-tomcat-embed-tomcat-embed-core"},{"name":"org.apache.struts:struts2-core (Maven)","slug":"org-apache-struts-struts2-core","vulnerabilities":60,"url":"https://junglewise.ai/threats/technologies/org-apache-struts-struts2-core"},{"name":"org.keycloak:keycloak-core (Maven)","slug":"org-keycloak-keycloak-core","vulnerabilities":57,"url":"https://junglewise.ai/threats/technologies/org-keycloak-keycloak-core"},{"name":"org.xwiki.platform:xwiki-platform-oldcore (Maven)","slug":"org-xwiki-platform-xwiki-platform-oldcore","vulnerabilities":46,"url":"https://junglewise.ai/threats/technologies/org-xwiki-platform-xwiki-platform-oldcore"},{"name":"org.apache.tomcat:tomcat-catalina (Maven)","slug":"org-apache-tomcat-tomcat-catalina","vulnerabilities":44,"url":"https://junglewise.ai/threats/technologies/org-apache-tomcat-tomcat-catalina"},{"name":"org.elasticsearch:elasticsearch (Maven)","slug":"org-elasticsearch-elasticsearch","vulnerabilities":41,"url":"https://junglewise.ai/threats/technologies/org-elasticsearch-elasticsearch"}],"technology":{"hub":true,"name":"org.apache.opennlp:opennlp-tools (Maven)","slug":"org-apache-opennlp-opennlp-tools","vendor":{"hub":true,"name":"Maven","slug":"maven","url":"https://junglewise.ai/threats/vendors/maven"},"aliases":[],"description":"Apache OpenNLP library providing natural language processing tools for tokenization, part-of-speech tagging, and named entity recognition.","url":"https://junglewise.ai/threats/technologies/org-apache-opennlp-opennlp-tools"},"most_severe":[{"cve":"CVE-2026-42027","cvss":9.8,"epss":0.0127,"slug":"cve-2026-42027-apache-opennlp-arbitrary-class-instantiation-in-extensionloader","title":"Apache OpenNLP arbitrary class instantiation in ExtensionLoader","severity":"critical","exploited":false,"published_at":"2026-05-04T17:16:24.123+00:00","url":"https://junglewise.ai/threats/cve-2026-42027-apache-opennlp-arbitrary-class-instantiation-in-extensionloader"},{"cve":"CVE-2026-40682","cvss":9.1,"epss":0.0084,"slug":"cve-2026-40682-apache-opennlp-xxe-in-dictionaryentrypersistor","title":"Apache OpenNLP XXE in DictionaryEntryPersistor","severity":"critical","exploited":false,"published_at":"2026-05-04T17:16:23.657+00:00","url":"https://junglewise.ai/threats/cve-2026-40682-apache-opennlp-xxe-in-dictionaryentrypersistor"},{"cve":"CVE-2026-42440","cvss":7.5,"epss":0.006,"slug":"cve-2026-42440-apache-opennlp-denial-of-service-in-abstractmodelreader","title":"Apache OpenNLP denial of service in AbstractModelReader","severity":"high","exploited":false,"published_at":"2026-05-04T17:16:26.147+00:00","url":"https://junglewise.ai/threats/cve-2026-42440-apache-opennlp-denial-of-service-in-abstractmodelreader"},{"cve":"CVE-2017-12620","cvss":3,"epss":0.0304,"slug":"cve-2017-12620-improper-restriction-of-xml-external-entity-reference-in-apache","title":"Improper Restriction of XML External Entity Reference in Apache OpenNLP","severity":"low","exploited":false,"published_at":"2022-05-17T00:29:00+00:00","url":"https://junglewise.ai/threats/cve-2017-12620-improper-restriction-of-xml-external-entity-reference-in-apache"}],"generated_at":"2026-11-09T03:07:00.176479+00:00"}