CVE-2026-6476

HighCVSS 7.2/10Last modified Nov 11, 2026

Description

SQL injection in PostgreSQL pg_createsubscriber allows an attacker with pg_create_subscription rights to execute arbitrary SQL as a superuser. The attack takes effect when pg_createsubscriber next runs. Within major versions 17 and 18, minor versions before PostgreSQL 18.4 and 17.10 are affected. Versions before PostgreSQL 17 are unaffected.

Metrics

CVSS 3.1 7.2/10CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-89

Affected software

VendorProductVersions
n/aPostgreSQL>= 18, < 18.4; >= 17, < 17.10

References

Timeline

Published
May 14, 2026
Last modified
Nov 11, 2026
NVD status
Analyzed

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CVE-2026-6476: High severity, CVSS 7.2 | Vulnix