CVE-2026-14680: PostgreSQL

High severity, CVSS 8.8. EPSS: 0.4% chance of exploitation in the next 30 days.

Type confusion with PostgreSQL "internal" data type arguments allows any user to execute arbitrary code as the operating system user running the database, via calls to functions with that argument type. Type "internal" represents a class of mutually-incompatible data structures not intended for access from SQL. The system intended to prevent such function calls, but this prevention had gaps. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.

Affected products

• PostgreSQL PostgreSQL: from 14.0, before 14.24 (fixed in 14.24); from 15.0, before 15.19 (fixed in 15.19); from 16.0, before 16.15 (fixed in 16.15); from 17.0, before 17.11 (fixed in 17.11); from 18.0, before 18.5 (fixed in 18.5)

Published 2026-08-13. Last modified 2026-08-29.