CVE-2026-6472 PostgreSQL CREATE TYPE does not check multirange schema CREATE privilege

What is CVE-2026-6472?

CVE-2026-6472 is a medium-severity missing authorization vulnerability in Postgresql Postgresql, published on 14 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Missing authorization in PostgreSQL CREATE TYPE allows an object creator to hijack other queries that use search_path to find user-defined types, including extension-defined types. That is to say, the victim will execute arbitrary SQL functions of the attacker's choice. Versions before PostgreSQL 18.4, 17.10, 16.14, 15.18, and 14.23 are affected.

Weakness: CWE-862

Which versions are affected by CVE-2026-6472?

1 open source package ship an affected version, including postgresql. It affects 1 product.

Products include Postgresql Postgresql.

How do I fix CVE-2026-6472?

Upgrade postgresql to a fixed version for your release line: 14.23.0, 15.18.0, 16.14.0 or 17.10.0.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-6472 being exploited?

There is no known exploitation of CVE-2026-6472 in the wild and no public exploit code.

Other vulnerabilities in Postgresql Postgresql

• CVE-2013-1902 Information disclosure in n/a Critical 10.0
• CVE-2013-1903 Information disclosure in n/a Critical 10.0
• CVE-2007-3279 Privilege escalation in n/a Critical 10.0
• CVE-2002-1399 Integer overflow in n/a Critical 10.0
• CVE-2016-3065 Information disclosure in n/a Critical 9.1

All Postgresql Postgresql vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as ALPINE-CVE-2026-6472, AZL-86834, BELL-CVE-2026-6472, BIT-postgresql-2026-6472, DEBIAN-CVE-2026-6472, ECHO-07c3-3f85-b9ea and 9 more.