What is CVE-2026-14668?

CVE-2026-14668 is a high-severity vulnerability in Postgresql, classified under Access of Resource Using Incompatible Type (Type Confusion). CVSS score: 8.1/10. Published 2026-08-13.

How severe is CVE-2026-14668?

High severity. CVSS v3 base score is 8.1 out of 10.

Vulnerability in Postgresql

CVE-2026-14668

Type confusion regarding input of PostgreSQL ctid data type selectivity estimator allows an object creator to view a calculation derived from the value of an arbitrary 4-byte span of memory, via a chosen non-ctid input. While the calculat…

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H.

Affected products

N/a Postgresql — versions 18, 17, 16

Weakness classification (CWE)

CWE-843 — Access of Resource Using Incompatible Type (Type Confusion)

References

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

Frequently asked questions

What is CVE-2026-14668?: CVE-2026-14668 is a high-severity vulnerability in Postgresql, classified under Access of Resource Using Incompatible Type (Type Confusion). CVSS score: 8.1/10. Published 2026-08-13.
How severe is CVE-2026-14668?: High severity. CVSS v3 base score is 8.1 out of 10.