{"action":"Upgrade roundcube to 1.6.14+dfsg-1 or later.","affected":[{"fixed":"1.6.14+dfsg-1","introduced":"0"}],"component":"roundcube","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["1.6.14+dfsg-1"],"id":"tcs_01M5NRVASBZRZDBRHYQCTZY2F7","modified_at":"2026-10-01T03:02:39.140471070Z","published_at":"2026-04-03T05:16:22.810Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-35544","https://security-tracker.debian.org/tracker/CVE-2026-35544"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-35544#Debian:14/roundcube","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-35544"}],"summary":"An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. Insufficient Cascading Style Sheets (CSS) sanitization in HTML e-mail messages may lead to a fixed-position mitigation bypass via"}