CVE Watch15 jul 2026

CVE-2026-44477

CloudNativePG is a platform designed to manage PostgreSQL databases within Kubernetes environments. Prior to 1.29.1 and 1.28.3, the CloudNat

CVSS

9.9

Crítico

EPSS

0.5%

p38

KEV

—

Exploit Today

0-100

Publicado: 28 may 2026 · Última mod.: 15 jul 2026 · CWE-250 · CWE-271 · CWE-426

EPSS · 30d

0.5%EPSS · 30 días0.5%

2026-06-302026-07-16

Descripción técnica

CloudNativePG is a platform designed to manage PostgreSQL databases within Kubernetes environments. Prior to 1.29.1 and 1.28.3, the CloudNativePG metrics exporter opens its PostgreSQL connection as the postgres superuser via the pod-local Unix socket, then demotes the session with SET ROLE pg_monitor. SET ROLE changes only current_user; session_user remains postgres. Any SQL expression evaluated inside the scrape session can invoke RESET ROLE to recover real superuser privileges, then use COPY ... TO PROGRAM to spawn an OS-level subprocess as the postgres user inside the primary pod. The READ ONLY transaction flag does not block this; it gates writes to database state, not external processes. This vulnerability is fixed in 1.29.1 and 1.28.3.

Referencias oficiales

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