CVE-2026-6476
postgresql: PostgreSQL: SQL injection in pg_createsubscriber allows arbitrary SQL execution as superuser
Severity
ImportantRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · May 14, 2026
Updated · November 3, 2026
Description
A flaw was found in PostgreSQL. An attacker with pg_create_subscription rights can exploit a SQL injection vulnerability in the pg_createsubscriber utility. This allows the attacker to execute arbitrary SQL commands with superuser privileges when pg_createsubscriber is next run, leading to potential compromise of the database system.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 7.2CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CWE-89 · Improper Neutralization of Special Elements used in an SQL Command