Input validation error in PostgreSQL - CVE-2026-116314
Published: November 12, 2026
Vulnerability identifier: #VU166122
CSH Severity: High
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-116314
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code as the operating system user running pg_restore.
The vulnerability exists due to improper input validation in PostgreSQL pg_restore when processing non-plain archives. A remote attacker can trick a user into processing a crafted archive to execute arbitrary code within the pg_restore operating system process.
Affected software
PostgreSQL
How to mitigate CVE-2026-116314
Install security update from vendor's website.
PostgreSQL - addressed in versions 14.25, 15.20, 16.16, 17.12, 18.7