{"action":"Upgrade tomcat11 to 11.0.22-1 or later.","affected":[{"fixed":"11.0.22-1","introduced":"0"}],"component":"tomcat11","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["11.0.22-1"],"id":"tcs_01M5NS0QF8V37QSNRJ09V1CG88","modified_at":"2026-10-27T09:47:28.080835607Z","published_at":"2026-05-12T16:16:17.800Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-42498","https://security-tracker.debian.org/tracker/CVE-2026-42498"],"severity":{"label":"high","score":7.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-42498#Debian:14/tomcat11","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-42498"}],"summary":"Exposure of HTTP Authentication Header to unexpected hosts during WebSocket authentication vulnerability in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0"}