VULNERABILITY INTELLIGENCE

CVE-2026-16239

CVSS score8.8 HIGH
EPSS probability0.68%
CISA KEVNot currently listed
Published2026-08-13
Last modified2026-08-29
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • CWE-843: Access of Resource Using Incompatible Type ('Type Confusion')

Primary references