{"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-2026-116306","cwes":["CWE-843"],"description":"Type confusion in PostgreSQL composite-value field assignment allows an object creator to execute arbitrary code as the operating system user running the database, via changing a composite type between deforming and reforming a value.  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":1794492903245,"publishedAt":1794492903245,"references":[{"source":"CNA: PostgreSQL","tags":[],"url":"https://www.postgresql.org/support/security/CVE-2026-116306/"}],"remediation":[],"revision":"abeae761a0635d0969491ce756716470b00a8ac3961743fe6b3f24f4f540e74f","sources":[{"modifiedAt":1794492903245,"name":"CNA: PostgreSQL","retrievedAt":1794496116262,"url":"https://www.cve.org/CVERecord?id=CVE-2026-116306"}],"ssvc":null,"status":"published","title":"PostgreSQL composite-type change during field assignment executes arbitrary code","updatedAt":1794496116262}