CVE-2026-6476Disclosure(postgresql / postgresql)

LOWCVSS 7.2 · HIGH

Signal is active with 2 mentions in latest observed window

Immediate actions

Patch postgresql postgresql systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD 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.

postgresql CVEs Back to dashboard

0.5/ 10 priority

Sources & remediation

Patch / fix

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

Weakness type (CWE)

CWE-89

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

postgresql

Threat summary

Patch or workaround signal is available
2 mentions across 1 observed day

What's happening

Patch or workaround mentioned in 1 signal
Technical details provided in 2 signals
Disclosure: 2 classified signals
2 total mentions across 1 day

Affected systems

Vendors

postgresql

Products

postgresql

Deep dive

Activity timeline2 mentions / 1d

Signal classification1 categories

Disclosure

2100.0%

Referenced assets2 URLs

By indicator

Full discourse2 posts

Upwind Security MDR@UpwindMDR147d
Disclosure
New PostgreSQL vulnerabilities were disclosed today, including issues related to code execution, SQL injection, and denial of service. Worth reviewing: • CVE-2026-6637 – potential code execution via refint • CVE-2026-6476 – SQL injection in pg_createsubscriber • CVE-2026-6479 – DoS in SSL/GSS negotiation PostgreSQL teams may want to review affected versions and patch guidance. https://www.postgresql.org/about/news/postgresql-184-1710-1614-1518-and-1423-released-3297/
Post summary
New PostgreSQL CVEs (CVE-2026-6637, 2026-6476, 2026-6479) announced with code execution, SQL injection, and DoS details, and patch guidance provided.
00131598
255 followersView on X
Kaitan ID Security@KaitanSecurity147d
Disclosure
⚠️ HIGH — CVE-2026-6476 SQL injection in PostgreSQL pg_createsubscriber allows an attacker with pg_create_subscription rights to execute arbitr… CVSS 7.2 Full analysis → https://sec.kaitan.id/cves/CVE-2026-6476 #PostgreSQL #CyberSecurity #InfoSec
Post summary
This post discloses a high‑severity SQL injection flaw (CVE‑2026‑6476) in PostgreSQL’s pg_createsubscriber that permits privileged attackers to execute arbitrary commands, with a CVSS score of 7.2 and a link to a full analysis.
0000047
90 followersView on X

CPE platform detail1 entries

Part:

Vendor:

Product:

Version:

Target SW:

Target HW:

1 of 1 entries

Part	Vendor	Product	Version	Target SW	Target HW
App	postgresql	postgresql	-	-	-

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