CVE-2026-120144
HIGH
NVD
CVSS Score
8.8
Severity
HIGH
Published
Nov 12, 2026
Vendor
unknown
Description
Type confusion from incomplete PostgreSQL type-cache invalidation allows an object creator to execute arbitrary code as the operating system user running the database, via a composite type change while its cache entry is being populated. Within major version 18, minor versions before PostgreSQL 18.7 are affected. Versions before PostgreSQL 18 are unaffected.