What the vulnerability does

01Description

When PgBouncer is configured to use "cert" authentication, a man-in-the-middle attacker can inject arbitrary SQL queries when a connection is first established, despite the use of TLS certificate verification and encryption. This flaw affects PgBouncer versions prior to 1.16.1.

Key dates

02Disclosure timeline

November 22, 2021 CVE published
November 3, 2025 Record updated