What is CVE-2026-14681?

CVE-2026-14681 is a medium-severity vulnerability in Postgresql, classified under Improper Enforcement of Message Integrity During Transmission in a Communication Channel. CVSS score: 4.2/10. Published 2026-08-13.

How severe is CVE-2026-14681?

Medium severity. CVSS v3 base score is 4.2 out of 10.

Vulnerability in Postgresql

CVE-2026-14681

Improper enforcement of message integrity in PostgreSQL GSSAPI support allows a user to negotiate GSSAPI contrary to pg_hba.conf rules, via initial direct TLS connection. Despite a pg_hba.conf that appears to require GSSAPI, the connectio…

CVSS v3 metric

CVSS v3 base score 4.2 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N.

Affected products

N/a Postgresql — versions 18, 17

Weakness classification (CWE)

CWE-924 — Improper Enforcement of Message Integrity During Transmission in a Communication Channel

References

f86ef6dc-4d3a-42ad-8f28-e6d5547a5007

Frequently asked questions

What is CVE-2026-14681?: CVE-2026-14681 is a medium-severity vulnerability in Postgresql, classified under Improper Enforcement of Message Integrity During Transmission in a Communication Channel. CVSS score: 4.2/10. Published 2026-08-13.
How severe is CVE-2026-14681?: Medium severity. CVSS v3 base score is 4.2 out of 10.