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OracleCVE-2026-91654

Oracle Essbase: denial of service

Oracle

CVE-2026-91654 · Published Oct 20, 2026 · updated Oct 27, 2026

Medium6.3
No fix yet
Oracle advisory

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 update, insert or delete access to some of Oracle Essbase accessible data as well as unauthorized read access to a subset of Oracle Essbase accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Essbase. CVSS 3.1 Base Score 6.3 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L).

Affected versions

PackageAffectedFixed in
Oracle Essbase
Product
<= 21.8.3.0.0No fix yet
Details and references
CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-284

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