PostgreSQL pg_createsubscriber allows SQL injection via subscription name_CVE-2026-6476

7.2 / 10

HIGH

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

Description

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.

Basic Information

ID CVE-2026-6476

Source PostgreSQL

Published May 14, 2026 at 13:00

Affected Product

Vendor n/a

Product PostgreSQL

Version 18

Affected Versions n/a PostgreSQL 18
n/a PostgreSQL 17

CWE Classification

CWE-89

References

www.postgresql.org /support/security/CVE-2026-6476/

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    "published": "2026-05-14T13:00:11.865Z",
    "modified": "2026-05-14T13:00:11.865Z",
    "type": "cve",
    "title": "PostgreSQL pg_createsubscriber allows SQL injection via subscription name",
    "source": "PostgreSQL",
    "references": "https://www.postgresql.org/support/security/CVE-2026-6476/",
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    "sourceData": "n/a PostgreSQL 18\nn/a PostgreSQL 17",
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