{"action":"Upgrade ruby-css-parser to 1.6.0-2+deb12u1 or later.","affected":[{"fixed":"1.6.0-2+deb12u1","introduced":"0"}],"component":"ruby-css-parser","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["1.6.0-2+deb12u1"],"id":"tcs_01M5NS7NTQ2Q631RKBGRCSPR0F","modified_at":"2026-10-01T03:03:23.620225083Z","published_at":"2026-05-14T17:16:22.393Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-44312","https://security-tracker.debian.org/tracker/CVE-2026-44312"],"severity":{"label":"medium","score":5.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-44312","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-44312"}],"summary":"css_parser is a Ruby CSS parser. Prior to 2.1.0 and 1.22.0, the CSS Parser gem does not validate HTTPS connections, allowing a Man-in-the-Middle (MITM) attacker to inject or modify CSS content when st"}