NetSight
high8.8

CVE-2026-16239

Type confusion in PostgreSQL "portal"/cursor lifecycle allows a user to execute arbitrary code as the operating system user running the database, via re-creati…

Impact

Type confusion in PostgreSQL "portal"/cursor lifecycle allows a user to execute arbitrary code as the operating system user running the database, via re-creation of a cursor or other portal with different types. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.

Affected products

VendorProductAffected versions
PostgresqlPostgresql
from 14.0 before 14.24
from 15.0 before 15.19
from 16.0 before 16.15
from 17.0 before 17.11
from 18.0 before 18.5

Weakness classification

References