Premailer Css Parser vulnerabilities

• premailer css parser css_parser: SSRF and Local File Disclosure in `CssParser::Parser#read_remote_file` CVE-2026-53727 Fix available 8.9 HighJuly 9, 2026
• premailer css parser css_parser allows to MITM included https css urls CVE-2026-44312 Fix available 5.8 MediumMay 7, 2026