What is CVE-2026-14666?

CVE-2026-14666 is a medium-severity vulnerability in Postgresql, classified under CWE-1250. CVSS score: 4.2/10. Published 2026-08-13.

How severe is CVE-2026-14666?

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

Vulnerability in Postgresql

CVE-2026-14666

Incomplete tracking in PostgreSQL of changes to role membership, role attributes, and database ownership allows a query to continue using cached row-level security policies after those changes require a different policy, via plan reuse. S…

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, 16

Weakness classification (CWE)

CWE-1250

References

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

Frequently asked questions

What is CVE-2026-14666?: CVE-2026-14666 is a medium-severity vulnerability in Postgresql, classified under CWE-1250. CVSS score: 4.2/10. Published 2026-08-13.
How severe is CVE-2026-14666?: Medium severity. CVSS v3 base score is 4.2 out of 10.