Security Advisory

CVE-2026-51992

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-07-29 00:00:00

Last updated 2026-08-06 08:43:08

Assigner mitre

CVSS score not scored

State REJECTED

Description

This CVE ID has been rejected or withdrawn by its CVE Numbering Authority. ClickHouse's PostgreSQL integration intentionally allows users with valid PostgreSQL credentials to execute queries against a remote PostgreSQL server. No vulnerability in ClickHouse is exploited; code execution occurs on the downstream PostgreSQL server using credentials explicitly provided by the user with specific pg_execute_server_program permission, exploiting a feature that was wrongly reported as CVE-2019-9193 in PostgreSQL (https://www.postgresql.org/about/news/cve-2019-9193-not-a-security-vulnerability-1935/).

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