CVE-2026-14671 HIGH

CVE-2026-14671: PostgreSQL refint plan cache type confusion executes arbitrary code

Vendor N/A
Product PostgreSQL
Weakness CWE-843
Published August 13, 2026
Last update August 13, 2026
View on NVD All CVEs

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Type confusion in PostgreSQL module "refint" allows an object creator to execute arbitrary code as the operating system user running the database. The fix for this emerged as a non-security bug report, and the fix appear in the git repository with subject "refint: Remove plan cache.", without a CVE number. Versions before PostgreSQL 18.5, 17.11, 16.15, 15.19, and 14.24 are affected.

Key dates

02Disclosure timeline

August 13, 2026 CVE published
August 13, 2026 Record updated