What is CVE-2026-6471?

CVE-2026-6471 is a high-severity vulnerability in Postgresql, classified under Missing Authorization. CVSS score: 7.2/10. Published 2026-08-13.

How severe is CVE-2026-6471?

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

Auth bypass in Postgresql

CVE-2026-6471

Missing authorization in PostgreSQL logical decoding allows a non-superuser holding REPLICATION privilege to dlopen any file visible to the operating system account running the server, via the choice of logical decoding plugin. This in tu…

Vulnerability class: Broken Access Control

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

N/a Postgresql — versions 18, 17, 16

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

f86ef6dc-4d3a-42ad-8f28-e6d5547a5007

Frequently asked questions

What is CVE-2026-6471?: CVE-2026-6471 is a high-severity vulnerability in Postgresql, classified under Missing Authorization. CVSS score: 7.2/10. Published 2026-08-13.
How severe is CVE-2026-6471?: High severity. CVSS v3 base score is 7.2 out of 10.