CVE-2026-14676 HIGH

CVE-2026-14676: PostgreSQL pg_stat_statements heap buffer overflow executes arbitrary code

Vendor N/A
Product PostgreSQL
Weakness CWE-122
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

Heap buffer overflow in PostgreSQL pg_stat_statements allows the query author to execute arbitrary code as the operating system user running the database, via crafted queries containing array constants. Within major version 18, minor versions before PostgreSQL 18.5 are affected. Versions before PostgreSQL 18 are unaffected.

Key dates

02Disclosure timeline

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