Vulnerability in Postgresql
CVE-2026-6479
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 acces…
EPSS: 0.000 (5.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Postgresql
- N/a Postgresql — versions 18, 17, 16
Weakness classification (CWE)
References
- f86ef6dc-4d3a-42ad-8f28-e6d5547a5007 (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-6479?
- CVE-2026-6479 is a high-severity vulnerability in Postgresql, classified under Uncontrolled Recursion. CVSS score: 7.5/10. Published 2026-05-14.
- How severe is CVE-2026-6479?
- High severity. CVSS v3 base score is 7.5 out of 10.