CVE-2026-6479Disclosure(postgresql / postgresql)

LOWCVSS 7.5 · 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

Uncontrolled recursion in PostgreSQL SSL and GSS negotiation allows an attacker able to connect to a PostgreSQL AF_UNIX socket to achieve sustained denial of service. If SSL and GSS are both disabled, an attacker can do the same via access to a PostgreSQL TCP socket. Versions before PostgreSQL 18.4, 17.10, 16.14, 15.18, and 14.23 are affected.

postgresql CVEs Back to dashboard

0.5/ 10 priority

Sources & remediation

Patch / fix

https://www.postgresql.org/support/security/CVE-2026-6479/

Weakness type (CWE)

CWE-674

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
Multiple new PostgreSQL CVEs—including code execution, SQL injection, and DoS—were disclosed today, with a call for teams to review affected versions and apply applicable patch guidance.
00131598
255 followersView on X
Kaitan ID Security@KaitanSecurity147d
Disclosure
⚠️ HIGH — CVE-2026-6479 Uncontrolled recursion in PostgreSQL SSL and GSS negotiation allows an attacker able to connect to a PostgreSQL AF_UNIX… CVSS 7.5 Full analysis → https://sec.kaitan.id/cves/CVE-2026-6479 #PostgreSQL #CyberSecurity #InfoSec
Post summary
The post presents a new high‑severity PostgreSQL vulnerability with technical details but provides no evidence of exploitation, PoC, or patching guidance.
0000065
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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