An issue was discovered in EnterpriseDB Postgres Advanced Server (EPAS) before 11.21.32, 12.x before 12.16.20, 13.x before 13.12.16, 14.x before 14.9.0, and 15.x before 15.4.0. It allows an authenticated user to refresh any materialized view, regardless of that user's permissions.
https://www.enterprisedb.com/docs/security/advisories/cve202341116/