{"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:v3.24","exploited":false,"fixed_versions":["18.4-r0"],"id":"tcs_01M5NFYH20BJ9BPAMZFJJF8QX0","modified_at":"2026-10-01T02:17:49.387398227Z","published_at":"2026-05-14T14:16:25.113Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2026-6475","https://security.alpinelinux.org/vuln/CVE-2026-6475"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2026-6475#Alpine:v3.24/postgresql18","url":"https://osv.dev/vulnerability/ALPINE-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"}