CVE-2021-41558: Set User Project Set User

Critical severity, CVSS 9.8. EPSS: 1.3% chance of exploitation in the next 30 days.

The set_user extension module before 3.0.0 for PostgreSQL allows ProcessUtility_hook bypass via set_config.

Affected products

Published 2021-09-27. Last modified 2026-06-17.