{"action":"Upgrade ruby-oauth2 to 1.4.4-1+deb12u1 or later.","affected":[{"fixed":"1.4.4-1+deb12u1","introduced":"0"}],"component":"ruby-oauth2","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["1.4.4-1+deb12u1"],"id":"tcs_01M5NSZC618VKZRXKG2ZJ9RJ93","modified_at":"2026-10-24T09:47:32.112667648Z","published_at":"2026-07-28T17:16:52.227Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-54603","https://security-tracker.debian.org/tracker/CVE-2026-54603"],"severity":{"label":"high","score":8.6},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-54603","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-54603"}],"summary":"OAuth2 is a Ruby wrapper for the OAuth 2.0 and 2.1 authorization frameworks, including OpenID Connect (OIDC). From 0.4.0 to 2.0.21, a protocol-relative redirect Location returned to OAuth2::Client#req"}