CVE-2026-2004 – PostgreSQL intarray missing validation of type of input to selectivity estimator executes arbitrary code

CVE ID : CVE-2026-2004

Published : Feb. 12, 2026, 1 p.m. | 1 hour, 26 minutes ago

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.

Severity: 8.8 | HIGH

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