Description
Missing authorization in PostgreSQL logical replication allows a compromised publisher to execute arbitrary code as the operating system user running the superuser-owned subscription, via naming a system catalog as a replication target. Only subscriptions owned by a superuser are vulnerable. Versions before PostgreSQL 18.7, 17.12, 16.16, 15.20, and 14.25 are affected.
Published: 2026-11-12
Score: 8.8 High
EPSS: n/a
KEV: No
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Remediation

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Tracking

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Advisories

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History

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

Type Values Removed Values Added
Description Missing authorization in PostgreSQL logical replication allows a compromised publisher to execute arbitrary code as the operating system user running the superuser-owned subscription, via naming a system catalog as a replication target. Only subscriptions owned by a superuser are vulnerable. Versions before PostgreSQL 18.7, 17.12, 16.16, 15.20, and 14.25 are affected.
Title PostgreSQL logical replication can write to subscriber system catalogs, executing arbitrary code
Weaknesses CWE-862
References
Metrics cvssV3_1

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

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: PostgreSQL

Published:

Updated: 2026-11-12T14:15:23.991Z

Reserved: 2026-10-30T22:45:08.383Z

Link: CVE-2026-120145

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-11-12T15:17:43.060

Modified: 2026-11-12T15:17:43.060

Link: CVE-2026-120145

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses