Is CVE-2026-14671 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-14671?

CVE-2026-14671 has a CVSS v3 severity of HIGH (8.8).

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CVE-2026-14671

Description

Type confusion in PostgreSQL module "refint" allows an object creator to execute arbitrary code as the operating system user running the database. The fix for this emerged as a non-security bug report, and the fix appear in the git repository with subject "refint: Remove plan cache.", without a CVE number. Versions before PostgreSQL 18.5, 17.11, 16.15, 15.19, and 14.24 are affected.