{"action":"Upgrade keystone to 2:27.0.0-3+deb13u4 or later.","affected":[{"fixed":"2:27.0.0-3+deb13u4","introduced":"0"}],"component":"keystone","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["2:27.0.0-3+deb13u4"],"id":"tcs_01M5NS1D5DF0G5M7SFNEHJG4N2","modified_at":"2026-10-27T09:47:32.950492940Z","published_at":"2026-05-28T19:16:37.483Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-42998","https://security-tracker.debian.org/tracker/CVE-2026-42998"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-42998#Debian:13/keystone","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-42998"}],"summary":"An issue was discovered in OpenStack Keystone before 29.0.2. The Keystone application credential authentication plugin does not verify that the user supplied in the authentication request matches the"}