Security Advisory

CVE-2026-16239

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-08-13 13:00:13

Last updated 2026-08-29 23:07:29

Assigner PostgreSQL

CVSS score 8.8

State PUBLISHED

Description

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.

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