CVE-2026-91504 Vulnerability in the Oracle WebCenter Content product of Oracle Fusion Middleware (component: Content Portal Suite).

High 7.5 Published 20 Oct 2026 Updated 24 Oct 2026

Exploited in the wild: Not known
Fix: None listed

What is CVE-2026-91504?

CVE-2026-91504 is a high-severity vulnerability in Oracle WebCenter Content, published on 20 Oct 2026.

Official description

Vulnerability in the Oracle WebCenter Content product of Oracle Fusion Middleware (component: Content Portal Suite). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle WebCenter Content. Successful attacks of this vulnerability can result in takeover of Oracle WebCenter Content. CVSS 3.1 Base Score 7.5 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H).

Weakness: CWE-284

Which versions are affected by CVE-2026-91504?

How do I fix CVE-2026-91504?

No fix has been published for CVE-2026-91504 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-91504 being exploited?

There is no known exploitation of CVE-2026-91504 in the wild and no public exploit code.

Sources

Also known as GHSA-5488-hwx7-w4h2.