CRITICAL 9.3 NVD

CVE-2026-91644

Vulnerability in Oracle Essbase (component: Security). The supported version that is affected is 21.8.3.0.0. Easily exploitable vulnerability allows unauthent

Vulnerability in Oracle Essbase (component: Security). The supported version that is affected is 21.8.3.0.0. Easily exploitable vulnerability allows unauthenticated 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 access to critical data or complete access to all Oracle Essbase accessible data as well as unauthorized update, insert or delete access to some of Oracle Essbase accessible data. CVSS 3.1 Base Score 9.3 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N).

References

https://www.oracle.com/security-alerts/cpuoct2026.html

Published: 2026-10-20 · Source: NVD · Feed updated: 2026-10-20

This critical severity vulnerability with a CVSS score of 9.3 was published on 2026-10-20 via NVD.

Risk Timeline

CVE Disclosed2026-10-20 · -1 days ago

Remediation Resources

Official Advisory

www.oracle.com/security-alerts/cpuoct2026.html

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