{"action":"Upgrade postgresql18 to 18.4-r0 or later.","affected":[{"fixed":"18.4-r0","introduced":"0"}],"component":"postgresql18","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.23","exploited":false,"fixed_versions":["18.4-r0"],"id":"tcs_01M5NFZ15W29M2DTR052WQ7KGF","modified_at":"2026-10-01T02:17:49.390004549Z","published_at":"2026-05-14T14:16:25.937Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2026-6638","https://security.alpinelinux.org/vuln/CVE-2026-6638"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2026-6638#Alpine:v3.23/postgresql18","url":"https://osv.dev/vulnerability/ALPINE-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"}