{"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_01M5NR4Z1SX4CGA6BMKK4EBWVH","modified_at":"2026-10-27T09:47:38.655701890Z","published_at":"2026-04-09T20:16:24.207Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-25854","https://security-tracker.debian.org/tracker/CVE-2026-25854"],"severity":{"label":"medium","score":6.1},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-25854#Debian:14/tomcat11","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-25854"}],"summary":"Occasional URL redirection to untrusted Site ('Open Redirect') vulnerability in Apache Tomcat via the LoadBalancerDrainingValve. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.18, from"}