CVE-2026-2004
PostgreSQL intarray missing validation of type of input to selectivity estimator executes arbitrary code
CVSS Score
8.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-1287 |
| Vendor | n/a |
| Product | postgresql |
| Ecosystems | |
| Industries | Technology |
| Published | Feb 12, 2026 |
| Last Updated | Feb 26, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
n/a / PostgreSQL
18 < 18.2 17 < 17.8 16 < 16.12 15 < 15.16 0 < 14.21
References
Credits
The PostgreSQL project thanks Daniel Firer, as part of zeroday.cloud, for reporting this problem.