CVE-2026-2004CWE-1287

PostgreSQL intarray missing validation of type of input to selectivity estimator executes arbitrary code

High · published February 12, 2026

CVSS v3.1
8.8
EPSS
1%
Percentile
71.0
In the wild
Unconfirmed
What it is

Missing validation of type of input in PostgreSQL intarray extension selectivity estimator function allows an object creator to execute arbitrary code as the operating system user running the database. Versions before PostgreSQL 18.2, 17.8, 16.12, 15.16, and 14.21 are affected.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01342 · 71.0th percentile
Weakness
CWE-1287 · Improper Validation of Specified Type of Input
Published
2026-02-12T13:00Z
EPSS history
Timeline
  • 12 FEB 13:00Z
    PostgreSQL intarray missing validation of type of input to selectivity estimator executes arbitrary code
    cvelistv5