{"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_01M5NTNC7ECW2MN8R8MRXWNMTN","modified_at":"2026-10-01T03:03:38.437092747Z","published_at":"2026-05-14T14:16:25.937Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-6638","https://security-tracker.debian.org/tracker/CVE-2026-6638"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-6638#Debian:14/postgresql-18","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-6638"}],"summary":"SQL injection in PostgreSQL logical replication ALTER SUBSCRIPTION ... REFRESH PUBLICATION allows a subscriber table creator to execute arbitrary SQL with the subscription's publication-side credentia"}