CVE-2026-16239

HighCVSS 8.8/10Last modified Aug 29, 2026

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.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-843

Affected software

No affected versions have been published.

Timeline

Published: Aug 13, 2026
Last modified: Aug 29, 2026
NVD status: Modified

Related CVEs from 2026

CVE-2026-16248.8A security vulnerability has been detected in D-Link DWR-M961 1.1.47. The affected element is an unknown function of the file /boafrm/formLt CVE-2026-162413.8Integer underflow in PostgreSQL ECPG allows a database server administrator to achieve temporary denial of service against the ECPG client v CVE-2026-162429.4A flaw was found in the Konnectivity proxy-server configuration for hosted control planes. The agent-facing listener was started without --c CVE-2026-162437.5In Eclipse OMR versions up to 0.11, the arraycmp SIMD implementation for Z and P does not check if the number of bytes to compare is zero.CVE-2026-162446.3A security vulnerability has been detected in itsourcecode Hospital Management System 1.0. Affected by this vulnerability is an unknown func CVE-2026-162467.3In BRAIN2 versions prior to 3.09, the application LogPathConfig.exe is executed during setup. As a result, the Windows group Everyone is gra CVE-2026-162477.3In _connect.BRAIN versions prior to 5.06, the application LogPathConfig.exe is executed during setup. During this process, existing permissi CVE-2026-162488.8A vulnerability was found in Tenda AC10 16.03.10.09_multi_TDE01. This issue affects the function fromAdvSetLanip of the file /goform/AdvSetL CVE-2026-16258.8A vulnerability was detected in D-Link DWR-M961 1.1.47. The impacted element is the function sub_4250E0 of the file /boafrm/formSmsManage of CVE-2026-162509.8The Personal QR Message WordPress plugin through 1.0 does not restrict the file types that can be uploaded through an unauthenticated handle CVE-2026-162516.5Mattermost versions 11.10.x <= 11.10.0, 11.7.x <= 11.7.9, 11.9.x <= 11.9.1, 11.8.x <= 11.8.5 fail to limit the size of remote image response CVE-2026-162527.3A security flaw has been discovered in Beijing Shenzhou Shihan Technology Multimedia Integrated Business Display System 8.2.2. Impacted is a