CVE-2026-16238

High8.8Published on August 13, 2026

Type confusion in PostgreSQL pg_restore_attribute_stats() allows an object creator to execute arbitrary code as the operating system user running the database, via conflation of range and multirange values. Within major version 18, minor versions before PostgreSQL 18.6 are affected. Versions before PostgreSQL 18 are unaffected.

CVSS score8.8 / 10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness type (CWE)CWE-843

Vendorspostgresql

Affected products

Vendors	Product	Versions
postgresql	postgresql	< 14.24

Vulnerabilities

PostgreSQL Logical Decoding Flaw Allows Code Execution as the `postgres` User

PostgreSQL CVE-2026-6471 lets REPLICATION users load arbitrary libraries via logical decoding to execute code as postgres. See affected versions and fix.

Sep 6, 202601:146 min readRead

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CVE database

Affected products

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PostgreSQL Logical Decoding Flaw Allows Code Execution as the `postgres` User