What is CVE-2026-6476?

CVE-2026-6476 is a high-severity vulnerability in Postgresql, classified under SQL Injection. CVSS score: 7.2/10. Published 2026-05-14.

How severe is CVE-2026-6476?

High severity. CVSS v3 base score is 7.2 out of 10.

SQL Injection in Postgresql

CVE-2026-6476

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, m…

Vulnerability class: SQL Injection

EPSS: 0.000 (10.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Postgresql
N/a Postgresql — versions 18, 17

Weakness classification (CWE)

CWE-89 — SQL Injection

References

f86ef6dc-4d3a-42ad-8f28-e6d5547a5007 (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-6476?: CVE-2026-6476 is a high-severity vulnerability in Postgresql, classified under SQL Injection. CVSS score: 7.2/10. Published 2026-05-14.
How severe is CVE-2026-6476?: High severity. CVSS v3 base score is 7.2 out of 10.