CVE-2026-91503: Oracle Database Server 19.3 through 19.32, 21.3 through 21.23, 23.4.0 through 23.26.3

Affected technology

Oracle Database Server · 19.3 through 19.32, 21.3 through 21.23, 23.4.0 through 23.26.3
Oracle Corporation

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · Low privileges required · No user interaction required

What an attacker can do

Vendor/CNA’s CVSS 3.1 assessment (base score 8.1/10) rates confidentiality and integrity impact as high; availability impact as none. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 20-Oct-2026 22:56 UTC

KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-20 22:53:49.460453+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-91503.html