Cve-2026-44477

vulnerability 2026-05-18
CloudNativePG CVE-2026-44477: Metrics Exporter Escalates Any DB User to Postgres Superuser and Host RCE
A residual session_user=postgres in CloudNativePG's metrics exporter lets any low-privileged database user RESET ROLE back to superuser and reach OS-level command execution via COPY TO PROGRAM. CVSS 9.4. Patched in 1.28.3 and 1.29.1.
cloudnativepg postgresql kubernetes cve-2026-44477 rce privilege-escalation metrics operator

CloudNativePG CVE-2026-44477: Metrics Exporter Escalates Any DB User to Postgres Superuser and Host RCE