Description
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.
References (34)
Core 34
Core References
Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:19009
Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:19010
Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:3730
Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:3887
Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:3896
Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:4024
Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:4059
Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:4063
Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:4064
Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:4074
Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:4075
Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:4110
Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:4254
Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:4441
Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:4475
Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:4504
Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:4505
Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:4506
Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:4509
Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:4515
Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:4516
Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:4518
Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:4524
Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:4528
Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:4544
Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:4546
Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:4547
Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:4548
Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:4943
Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:8756
Vendor Advisory
https://access.redhat.com/security/cve/CVE-2026-2004
Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2439325
Various Sources
https://www.postgresql.org/support/security/CVE-2026-2004/
Scores
CVSS v3
8.8
EPSS
0.0078
EPSS Percentile
52.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-1287
Status
published
Products (6)
None/PostgreSQL
< 14.21
None/PostgreSQL
15 - 15.16
None/PostgreSQL
16 - 16.12
None/PostgreSQL
17 - 17.8
None/PostgreSQL
18 - 18.2
postgresql/postgresql
14.0 - 14.21
Published
Feb 12, 2026
Tracked Since
Feb 18, 2026