Is CVE-2026-6479 actively exploited?

No active exploitation of CVE-2026-6479 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-6479 be exploited remotely?

Yes. CVE-2026-6479 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-6479?

CVE-2026-6479 has a CVSS score of 7.5 (HIGH).

HOME VULNERABILITIESCVE-2026-6479

HIGH

CVE-2026-6479

CWE-674Published: May 14, 2026· Updated: May 18, 2026

7.5

CVSS v3.1

EPSS:0.04%probability of exploitation in 30 daysPercentile:12.1th

Official 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.

NVD Source

Technical Analysis

CVE-2026-6479 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.