{"affected":[{"defaultStatus":"unaffected","product":"PostgreSQL","source":"CNA: PostgreSQL","vendor":"n/a","versions":[{"lessThan":"18.7","status":"affected","version":"18","versionType":"rpm"},{"lessThan":"17.12","status":"affected","version":"17","versionType":"rpm"},{"lessThan":"16.16","status":"affected","version":"16","versionType":"rpm"},{"lessThan":"15.20","status":"affected","version":"15","versionType":"rpm"},{"lessThan":"14.25","status":"affected","version":"0","versionType":"rpm"}]}],"cveId":"CVE-2026-18447","cwes":["CWE-843"],"description":"Type confusion in PostgreSQL SQL-language functions allows an object creator to execute arbitrary code as the operating system user running the database, via an output parameter of type \"any\".  Versions before PostgreSQL 18.7, 17.12, 16.16, 15.20, and 14.25 are affected.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":8.8,"severity":"high","source":"CNA: PostgreSQL","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}],"modifiedAt":1794492931850,"publishedAt":1794492931850,"references":[{"source":"CNA: PostgreSQL","tags":[],"url":"https://www.postgresql.org/support/security/CVE-2026-18447/"}],"remediation":[],"revision":"36e1bd300e1cc979b8877261f1f91c55d4e6dc94b7bd6adeda94325a0d23dec8","sources":[{"modifiedAt":1794492931850,"name":"CNA: PostgreSQL","retrievedAt":1794496340061,"url":"https://www.cve.org/CVERecord?id=CVE-2026-18447"}],"ssvc":null,"status":"published","title":"PostgreSQL output parameter type confusion executes arbitrary code","updatedAt":1794496340061}