{"action":"Upgrade apache-opennlp to 2.5.9-1 or later.","affected":[{"fixed":"2.5.9-1","introduced":"0"}],"component":"apache-opennlp","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["2.5.9-1"],"id":"tcs_01M5NRZTWW1X8AKPR42FVKQHGQ","modified_at":"2026-10-27T09:47:28.790213430Z","published_at":"2026-05-04T17:16:24.123Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-42027","https://security-tracker.debian.org/tracker/CVE-2026-42027"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-42027#Debian:14/apache-opennlp","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-42027"}],"summary":"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 Description: The ExtensionLoader.instantiateExtension("}