Vulnerability in Oracle Corporation Webcenter Portal

CVE-2026-91248

Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Runtime Tools). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle WebCenter Portal. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Oracle WebCenter Portal accessible data. CVSS 3.1 Base Score 5.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

References

Frequently asked questions

What is CVE-2026-91248?
CVE-2026-91248 is a medium-severity vulnerability in Oracle Corporation Webcenter Portal. CVSS score: 5.3/10. Published 2026-10-20.
How severe is CVE-2026-91248?
Medium severity. CVSS v3 base score is 5.3 out of 10.