CVE-2026-6469
Incorrect ownership assignment in PostgreSQL ALTER TABLE ALTER TYPE command reassigns ownership of dependent statistics objects to the current user. This wrongly allows the table owner to run DROP STATISTICS and ALTER STATISTICS via this improper ownership. It wrongly denies those commands to the prior statistics object owner. DROP TABLE remains able to remove statistics objects, so this exploit achieves nothing in many ownership arrangements. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.
Version Information
| Affected branch | Introduced | Fixed In | Fix Published |
|---|---|---|---|
| 14 | — | 14.24 | 2026-08-13 |
| 15 | — | 15.19 | 2026-08-13 |
| 16 | — | 16.15 | 2026-08-13 |
| 17 | — | 17.11 | 2026-08-13 |
| 18 | — | 18.6 | 2026-08-13 |
CVSS 3.0
| Overall Score | 3.8 |
|---|---|
| Component | core server |
| Vector | AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L |
First published: 2026-08-13
Historical source observations
These dated records preserve the original source claims separately from the reviewed fix list.
center · 2026-10-03 12:08:35.169032+08
- PostgreSQL 18 · Original minor coordinate: 6
- PostgreSQL 17 · Original minor coordinate: 11
- PostgreSQL 16 · Original minor coordinate: 15
- PostgreSQL 15 · Original minor coordinate: 19
- PostgreSQL 14 · Original minor coordinate: 24
pgweb · 2026-10-03 12:08:55.967155+08
- PostgreSQL 18 · Original minor coordinate: 6
- PostgreSQL 17 · Original minor coordinate: 11
- PostgreSQL 16 · Original minor coordinate: 15
- PostgreSQL 15 · Original minor coordinate: 19
- PostgreSQL 14 · Original minor coordinate: 24