{"action":"Upgrade postgresql-18 to 18.4-1 or later.","affected":[{"fixed":"18.4-1","introduced":"0"}],"component":"postgresql-18","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["18.4-1"],"id":"tcs_01M5NTKBY0H27NPX7ARBMQHG77","modified_at":"2026-10-01T03:03:38.280004688Z","published_at":"2026-05-14T14:16:25.113Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-6475","https://security-tracker.debian.org/tracker/CVE-2026-6475"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-6475#Debian:14/postgresql-18","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-6475"}],"summary":"Symlink following in PostgreSQL pg_basebackup plain format and in pg_rewind allows an origin superuser to overwrite local files, e.g. /var/lib/postgres/.bashrc, that hijack the operating system accoun"}