{"action":"Upgrade ruby-rack to 3.2.6-2 or later.","affected":[{"fixed":"3.2.6-2","introduced":"0"}],"component":"ruby-rack","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["3.2.6-2"],"id":"tcs_01M5NRSV4RA1QHSZVT3YA6NGJQ","modified_at":"2026-10-01T03:03:22.223000900Z","published_at":"2026-04-02T18:16:33.967Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-34835","https://security-tracker.debian.org/tracker/CVE-2026-34835"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-34835#Debian:14/ruby-rack","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-34835"}],"summary":"Rack is a modular Ruby web server interface. From versions 3.0.0.beta1 to before 3.1.21, and 3.2.0 to before 3.2.6, Rack::Request parses the Host header using an AUTHORITY regular expression that acce"}