{"action":"Upgrade tomcat11 to 11.0.21-1 or later.","affected":[{"fixed":"11.0.21-1","introduced":"0"}],"component":"tomcat11","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["11.0.21-1"],"id":"tcs_01M5NRSFFTCVTM39QSZE46Q8Q2","modified_at":"2026-10-01T03:03:22.459639392Z","published_at":"2026-04-09T20:16:25.330Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-34500","https://security-tracker.debian.org/tracker/CVE-2026-34500"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-34500#Debian:14/tomcat11","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-34500"}],"summary":"CLIENT_CERT authentication does not fail as expected for some scenarios when soft fail is disabled and FFM is used in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M14 through 11.0.20,"}