Home/CVE/SQL injection in PostgreSQL pg_createsubscriber allows an attacker with pg_create_subscription rights to execute arbitra
CVE

CVE-2026-6476

SQL injection in PostgreSQL pg_createsubscriber allows an attacker with pg_create_subscription rights to execute arbitra

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.

HIGH · CVSS 7.2 EPSS 0.00035
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0

Affected Products & Versions

2
postgresql>= 17.0 and < 17.10
postgresql>= 18.0 and < 18.4

Scoring & Timeline

7.2
HIGH · CVSS v3.1 · f86ef6dc-4d3a-42ad-8f28-e6d5547a5007
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD14 May 2026 · 02:16 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.

Vendor Advisories

6
suse-csafopenSUSE-SU-2026:10809-1
suse-csafSUSE-SU-2026:1943-1
suse-csafSUSE-SU-2026:1944-1
suse-csafSUSE-SU-2026:1945-1
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
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