{"action":"Upgrade tomcat11 to 11.0.22-1~deb13u1 or later.","affected":[{"fixed":"11.0.22-1~deb13u1","introduced":"0"}],"component":"tomcat11","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["11.0.22-1~deb13u1"],"id":"tcs_01M5NS615TWB904WV1CSCQ4N7E","modified_at":"2026-10-27T09:47:39.519628125Z","published_at":"2026-05-12T16:16:18.177Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-43513","https://security-tracker.debian.org/tracker/CVE-2026-43513"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-43513#Debian:13/tomcat11","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-43513"}],"summary":"Improper Handling of Case Sensitivity vulnerability in LockOutRealm in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 th"}