{"action":"Upgrade rubygems to 3.3.15-2+deb12u1 or later.","affected":[{"fixed":"3.3.15-2+deb12u1","introduced":"0"}],"component":"rubygems","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["3.3.15-2+deb12u1"],"id":"tcs_01M5NN85X7HH4DD24PAVHP2ZGG","modified_at":"2026-09-01T20:05:45.198464341Z","published_at":"2025-03-04T00:15:31.847Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-27221","https://security-tracker.debian.org/tracker/CVE-2025-27221"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-27221#Debian:12/rubygems","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-27221"}],"summary":"In the URI gem before 1.0.3 for Ruby, the URI handling methods (URI.join, URI#merge, URI#+) have an inadvertent leakage of authentication credentials because userinfo is retained even after changing t"}