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CVE Vulnerability Details :
CVE-2026-6476
PUBLISHED
More InfoOfficial Page
Assigner-PostgreSQL
Assigner Org ID-f86ef6dc-4d3a-42ad-8f28-e6d5547a5007
View Known Exploited Vulnerability (KEV) details
Published At-14 May, 2026 | 13:00
Updated At-15 May, 2026 | 03:56
Rejected At-
▼CVE Numbering Authority (CNA)
PostgreSQL pg_createsubscriber allows SQL injection via subscription name

SQL injection in PostgreSQL pg_createsubscriber allows an attacker with pg_create_subscription rights to execute arbitrary SQL as a superuser. The attack takes effect when pg_createsubscriber next runs. Within major versions 17 and 18, minor versions before PostgreSQL 18.4 and 17.10 are affected. Versions before PostgreSQL 17 are unaffected.

Affected Products
Vendor
n/a
Product
PostgreSQL
Default Status
unaffected
Versions
Affected
  • From 18 before 18.4 (rpm)
  • From 17 before 17.10 (rpm)
Problem Types
TypeCWE IDDescription
CWECWE-89Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Type: CWE
CWE ID: CWE-89
Description: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Metrics
VersionBase scoreBase severityVector
3.17.2HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Version: 3.1
Base score: 7.2
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

attacker has pg_create_subscription rights

Workarounds

Exploits

Credits

The PostgreSQL project thanks Yu Kunpeng for reporting this problem.
Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://www.postgresql.org/support/security/CVE-2026-6476/
N/A
Hyperlink: https://www.postgresql.org/support/security/CVE-2026-6476/
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
Details not found