Type confusion in PostgreSQL operator commutator and negator links allows an object creator to execute arbitrary code as the operating system user running the database, via linking operators having different result types or creating inconsistent reciprocal links. Versions before PostgreSQL 18.7, 17.12, 16.16, 15.20, and 14.25 are affected.

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History

Thu, 12 Nov 2026 23:45:00 +0000

Type Values Removed Values Added
First Time appeared Postgresql
Postgresql postgresql
Vendors & Products Postgresql
Postgresql postgresql

Thu, 12 Nov 2026 14:30:00 +0000

Type Values Removed Values Added
Description Type confusion in PostgreSQL operator commutator and negator links allows an object creator to execute arbitrary code as the operating system user running the database, via linking operators having different result types or creating inconsistent reciprocal links. Versions before PostgreSQL 18.7, 17.12, 16.16, 15.20, and 14.25 are affected.
Title PostgreSQL commutator or negator result-type confusion executes arbitrary code
Weaknesses CWE-843
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: PostgreSQL

Published:

Updated: 2026-11-12T21:45:15.697Z

Reserved: 2026-10-26T04:01:48.586Z

Link: CVE-2026-116335

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-11-12T15:17:42.043

Modified: 2026-11-12T22:18:28.063

Link: CVE-2026-116335

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-12T23:30:10Z

Weaknesses