css_parser
RubyGems2 known CVEs affecting this package
Aggregated from OSV, GitHub Security Advisories, NVD, and vendor advisories. Each CVE links to its full detail page with vendor advisories, patches, fixed versions, and remediation guidance.
CVEs affecting css_parserpage 1 of 1
- CVE-2026-44312MEDIUMCVSS 5.8EG 5.8✓ Fixed in 1.22.02026-05-14
vulnerable: 0.9.0 ... 1.9.0 (60 versions)
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 stylesheets are loaded via HTTPS. The con…
- CVE-2026-53727HIGHCVSS 8.9EG 8.9✓ Fixed in 3.0.02026-07-09
vulnerable: 0.9.0 ... 2.2.0 (64 versions)
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 hos…
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