Premailer vulnerabilities
We track 1 vulnerability in Premailer products. 1 is rated high or critical, and none are known to be exploited. The most recent was published on July 17, 2026.
1vulnerabilities
0critical
1high
0exploited
8.6average CVSS score
Latest Premailer vulnerabilities
- 8.6 High severity
css_parser: Server-Side Request Forgery
css_parser is a Ruby CSS parser. From 2.2.0 until 3.0.0, CssParser::Parser#read_remote_file in lib/css_parser/parser.rb, and therefore load_uri! and the @import-following branch of add_block!, issued HTTP and HTTPS requests against any host, port, and URI with