CVE-2026-120144

PostgreSQL type-cache invalidation gap executes arbitrary code

Published Nov 12, 2026 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Description
Type confusion from incomplete PostgreSQL type-cache invalidation allows an object creator to execute arbitrary code as the operating system user running the database, via a composite type change while its cache entry is being populated. Within major version 18, minor versions before PostgreSQL 18.7 are affected. Versions before PostgreSQL 18 are unaffected.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Postgresql
Postgresql postgresql
Vendors & Products Postgresql
Postgresql postgresql
References
Metrics threat_severity

None

threat_severity

Important

Type Values Removed Values Added
Description Type confusion from incomplete PostgreSQL type-cache invalidation allows an object creator to execute arbitrary code as the operating system user running the database, via a composite type change while its cache entry is being populated. Within major version 18, minor versions before PostgreSQL 18.7 are affected. Versions before PostgreSQL 18 are unaffected.
Title PostgreSQL type-cache invalidation gap 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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
PostgreSQL
Published
Updated
Nov 13, 2026, 5:02 AM
Reserved
Oct 30, 2026, 10:45 PM
Status
Awaiting Analysis
Published
Nov 12, 2026, 3:17 PM
Modified
Nov 13, 2026, 5:18 AM
Severity
Important
Public date
Nov 12, 2026, 2:15 PM