CVE-2026-16238

PostgreSQL type confusion in pg_restore_attribute_stats() executes arbitrary code

State: Published
Severity: 8.8 High
Published: Aug 13, 2026
Updated: Aug 29, 2026
Reserved: Jul 20, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	8.8 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	PostgreSQL

Weaknesses

CWE-843 Access of Resource Using Incompatible Type ('Type Confusion')

Affected Products

Product	Versions
PostgreSQLn/a	18 to before 18.6Affected

References

https://www.postgresql.org/support/security/CVE-2026-16238/

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.