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AWS Advanced JDBC Wrapper (Versions 3.0.0 Through 4.0.0)

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high advisory

Privilege Escalation in AWS Advanced JDBC Wrapper for Aurora PostgreSQL

A privilege escalation vulnerability (CVE-2026-11400) exists in the AWS Advanced JDBC Wrapper for Amazon Aurora PostgreSQL, affecting versions 3.0.0 through 4.0.0. A low-privileged authenticated user can craft a function to execute with rds_superuser permissions.

AWS Advanced JDBC Wrapper +1 privilege-escalation vulnerability cloud aws postgresql
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