Multiple Vulnerabilities Discovered in PostgreSQL PgBouncer Enabling DoS and Security Bypass

Multiple vulnerabilities were discovered in PostgreSQL PgBouncer on 12 May 2026, as reported by CERT-FR. These flaws enable remote attackers to cause a denial of service and bypass security policies. The affected software is PostgreSQL PgBouncer, though no specific versions or CVE identifiers were provided in the notice. The impacts include disruption of service and potential unauthorized access due to security policy circumvention. No additional technical details, such as exploitation methods or affected configurations, were disclosed.