Is CVE-2026-91660 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-91660?

CVE-2026-91660 has a CVSS v3 severity of MEDIUM (4.3).

Back

CVE-2026-91660

Description

Vulnerability in Oracle Essbase (component: Security). The supported version that is affected is 21.8.3.0.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Essbase. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Essbase. CVSS 3.1 Base Score 4.3 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L).