What is CVE-2026-14680?

CVE-2026-14680 is a high-severity vulnerability in Postgresql, classified under Access of Resource Using Incompatible Type (Type Confusion). CVSS score: 8.8/10. Published 2026-08-13.

How severe is CVE-2026-14680?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Postgresql

CVE-2026-14680

Type confusion with PostgreSQL "internal" data type arguments allows any user to execute arbitrary code as the operating system user running the database, via calls to functions with that argument type. Type "internal" represents a class…

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/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-2026-14680?: CVE-2026-14680 is a high-severity vulnerability in Postgresql, classified under Access of Resource Using Incompatible Type (Type Confusion). CVSS score: 8.8/10. Published 2026-08-13.
How severe is CVE-2026-14680?: High severity. CVSS v3 base score is 8.8 out of 10.