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OracleCVE-2026-91640

Oracle Essbase: information disclosure

Oracle

CVE-2026-91640 · Published Oct 20, 2026 · updated Oct 27, 2026

Medium5.0
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. While the vulnerability is in Oracle Essbase, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized read access to a subset of Oracle Essbase accessible data. CVSS 3.1 Base Score 5.0 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N).

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:C/C:L/I:N/A:N
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-200

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